summaryrefslogtreecommitdiff
path: root/linux-core
diff options
context:
space:
mode:
Diffstat (limited to 'linux-core')
-rw-r--r--linux-core/drmP.h2
-rw-r--r--linux-core/drm_agpsupport.c15
-rw-r--r--linux-core/drm_auth.c4
-rw-r--r--linux-core/drm_bufs.c54
-rw-r--r--linux-core/drm_context.c30
-rw-r--r--linux-core/drm_dma.c2
-rw-r--r--linux-core/drm_drawable.c2
-rw-r--r--linux-core/drm_drv.c13
-rw-r--r--linux-core/drm_fops.c2
-rw-r--r--linux-core/drm_ioctl.c25
-rw-r--r--linux-core/drm_irq.c14
-rw-r--r--linux-core/drm_scatter.c11
12 files changed, 89 insertions, 85 deletions
diff --git a/linux-core/drmP.h b/linux-core/drmP.h
index d3564d06..066b185d 100644
--- a/linux-core/drmP.h
+++ b/linux-core/drmP.h
@@ -740,7 +740,7 @@ extern int DRM(mmap_dma)(struct file *filp,
struct vm_area_struct *vma);
extern int DRM(mmap)(struct file *filp, struct vm_area_struct *vma);
extern unsigned int DRM(poll)(struct file *filp, struct poll_table_struct *wait);
-extern ssize_t DRM(read)(struct file *filp, char *buf, size_t count, loff_t *off);
+extern ssize_t DRM(read)(struct file *filp, char __user *buf, size_t count, loff_t *off);
/* Memory management support (drm_memory.h) */
extern void DRM(mem_init)(void);
diff --git a/linux-core/drm_agpsupport.c b/linux-core/drm_agpsupport.c
index f83651af..c4f0e465 100644
--- a/linux-core/drm_agpsupport.c
+++ b/linux-core/drm_agpsupport.c
@@ -80,7 +80,7 @@ int DRM(agp_info)(struct inode *inode, struct file *filp,
info.id_vendor = kern->device->vendor;
info.id_device = kern->device->device;
- if (copy_to_user((drm_agp_info_t *)arg, &info, sizeof(info)))
+ if (copy_to_user((drm_agp_info_t __user *)arg, &info, sizeof(info)))
return -EFAULT;
return 0;
}
@@ -178,7 +178,7 @@ int DRM(agp_enable)(struct inode *inode, struct file *filp,
if (!dev->agp || !dev->agp->acquired || !drm_agp->enable)
return -EINVAL;
- if (copy_from_user(&mode, (drm_agp_mode_t *)arg, sizeof(mode)))
+ if (copy_from_user(&mode, (drm_agp_mode_t __user *)arg, sizeof(mode)))
return -EFAULT;
dev->agp->mode = mode.mode;
@@ -210,10 +210,11 @@ int DRM(agp_alloc)(struct inode *inode, struct file *filp,
DRM_AGP_MEM *memory;
unsigned long pages;
u32 type;
+ drm_agp_buffer_t __user *argp = (void __user *)arg;
if (!dev->agp || !dev->agp->acquired)
return -EINVAL;
- if (copy_from_user(&request, (drm_agp_buffer_t *)arg, sizeof(request)))
+ if (copy_from_user(&request, argp, sizeof(request)))
return -EFAULT;
if (!(entry = DRM(alloc)(sizeof(*entry), DRM_MEM_AGPLISTS)))
return -ENOMEM;
@@ -241,7 +242,7 @@ int DRM(agp_alloc)(struct inode *inode, struct file *filp,
request.handle = entry->handle;
request.physical = memory->physical;
- if (copy_to_user((drm_agp_buffer_t *)arg, &request, sizeof(request))) {
+ if (copy_to_user(argp, &request, sizeof(request))) {
dev->agp->memory = entry->next;
dev->agp->memory->prev = NULL;
DRM(free_agp)(memory, pages);
@@ -295,7 +296,7 @@ int DRM(agp_unbind)(struct inode *inode, struct file *filp,
if (!dev->agp || !dev->agp->acquired)
return -EINVAL;
- if (copy_from_user(&request, (drm_agp_binding_t *)arg, sizeof(request)))
+ if (copy_from_user(&request, (drm_agp_binding_t __user *)arg, sizeof(request)))
return -EFAULT;
if (!(entry = DRM(agp_lookup_entry)(dev, request.handle)))
return -EINVAL;
@@ -332,7 +333,7 @@ int DRM(agp_bind)(struct inode *inode, struct file *filp,
if (!dev->agp || !dev->agp->acquired || !drm_agp->bind_memory)
return -EINVAL;
- if (copy_from_user(&request, (drm_agp_binding_t *)arg, sizeof(request)))
+ if (copy_from_user(&request, (drm_agp_binding_t __user *)arg, sizeof(request)))
return -EFAULT;
if (!(entry = DRM(agp_lookup_entry)(dev, request.handle)))
return -EINVAL;
@@ -371,7 +372,7 @@ int DRM(agp_free)(struct inode *inode, struct file *filp,
if (!dev->agp || !dev->agp->acquired)
return -EINVAL;
- if (copy_from_user(&request, (drm_agp_buffer_t *)arg, sizeof(request)))
+ if (copy_from_user(&request, (drm_agp_buffer_t __user *)arg, sizeof(request)))
return -EFAULT;
if (!(entry = DRM(agp_lookup_entry)(dev, request.handle)))
return -EINVAL;
diff --git a/linux-core/drm_auth.c b/linux-core/drm_auth.c
index e027303a..a6d174cd 100644
--- a/linux-core/drm_auth.c
+++ b/linux-core/drm_auth.c
@@ -195,7 +195,7 @@ int DRM(getmagic)(struct inode *inode, struct file *filp,
}
DRM_DEBUG("%u\n", auth.magic);
- if (copy_to_user((drm_auth_t *)arg, &auth, sizeof(auth)))
+ if (copy_to_user((drm_auth_t __user *)arg, &auth, sizeof(auth)))
return -EFAULT;
return 0;
}
@@ -219,7 +219,7 @@ int DRM(authmagic)(struct inode *inode, struct file *filp,
drm_auth_t auth;
drm_file_t *file;
- if (copy_from_user(&auth, (drm_auth_t *)arg, sizeof(auth)))
+ if (copy_from_user(&auth, (drm_auth_t __user *)arg, sizeof(auth)))
return -EFAULT;
DRM_DEBUG("%u\n", auth.magic);
if ((file = DRM(find_file)(dev, auth.magic))) {
diff --git a/linux-core/drm_bufs.c b/linux-core/drm_bufs.c
index 38ddb790..7270ff4a 100644
--- a/linux-core/drm_bufs.c
+++ b/linux-core/drm_bufs.c
@@ -71,9 +71,10 @@ int DRM(order)( unsigned long size )
int order;
unsigned long tmp;
- for ( order = 0, tmp = size ; tmp >>= 1 ; ++order );
+ for (order = 0, tmp = size >> 1; tmp; tmp >>= 1, order++)
+ ;
- if ( size & ~(1 << order) )
+ if (size & (size - 1))
++order;
return order;
@@ -98,6 +99,7 @@ int DRM(addmap)( struct inode *inode, struct file *filp,
drm_file_t *priv = filp->private_data;
drm_device_t *dev = priv->dev;
drm_map_t *map;
+ drm_map_t __user *argp = (void __user *)arg;
drm_map_list_t *list;
if ( !(filp->f_mode & 3) ) return -EACCES; /* Require read/write */
@@ -106,7 +108,7 @@ int DRM(addmap)( struct inode *inode, struct file *filp,
if ( !map )
return -ENOMEM;
- if ( copy_from_user( map, (drm_map_t *)arg, sizeof(*map) ) ) {
+ if ( copy_from_user( map, argp, sizeof(*map) ) ) {
DRM(free)( map, sizeof(*map), DRM_MEM_MAPS );
return -EFAULT;
}
@@ -207,10 +209,10 @@ int DRM(addmap)( struct inode *inode, struct file *filp,
list_add(&list->head, &dev->maplist->head);
up(&dev->struct_sem);
- if ( copy_to_user( (drm_map_t *)arg, map, sizeof(*map) ) )
+ if ( copy_to_user( argp, map, sizeof(*map) ) )
return -EFAULT;
if ( map->type != _DRM_SHM ) {
- if ( copy_to_user( &((drm_map_t *)arg)->handle,
+ if ( copy_to_user( &argp->handle,
&map->offset,
sizeof(map->offset) ) )
return -EFAULT;
@@ -247,7 +249,7 @@ int DRM(rmmap)(struct inode *inode, struct file *filp,
drm_map_t request;
int found_maps = 0;
- if (copy_from_user(&request, (drm_map_t *)arg,
+ if (copy_from_user(&request, (drm_map_t __user *)arg,
sizeof(request))) {
return -EFAULT;
}
@@ -389,10 +391,11 @@ int DRM(addbufs_agp)( struct inode *inode, struct file *filp,
int byte_count;
int i;
drm_buf_t **temp_buflist;
+ drm_buf_desc_t __user *argp = (void __user *)arg;
if ( !dma ) return -EINVAL;
- if ( copy_from_user( &request, (drm_buf_desc_t *)arg,
+ if ( copy_from_user( &request, argp,
sizeof(request) ) )
return -EFAULT;
@@ -529,7 +532,7 @@ int DRM(addbufs_agp)( struct inode *inode, struct file *filp,
request.count = entry->buf_count;
request.size = size;
- if ( copy_to_user( (drm_buf_desc_t *)arg, &request, sizeof(request) ) )
+ if ( copy_to_user( argp, &request, sizeof(request) ) )
return -EFAULT;
dma->flags = _DRM_DMA_USE_AGP;
@@ -562,10 +565,11 @@ int DRM(addbufs_pci)( struct inode *inode, struct file *filp,
int page_count;
unsigned long *temp_pagelist;
drm_buf_t **temp_buflist;
+ drm_buf_desc_t __user *argp = (void __user *)arg;
if ( !dma ) return -EINVAL;
- if ( copy_from_user( &request, (drm_buf_desc_t *)arg,
+ if ( copy_from_user( &request, argp,
sizeof(request) ) )
return -EFAULT;
@@ -767,7 +771,7 @@ int DRM(addbufs_pci)( struct inode *inode, struct file *filp,
request.count = entry->buf_count;
request.size = size;
- if ( copy_to_user( (drm_buf_desc_t *)arg, &request, sizeof(request) ) )
+ if ( copy_to_user( argp, &request, sizeof(request) ) )
return -EFAULT;
atomic_dec( &dev->buf_alloc );
@@ -783,6 +787,7 @@ int DRM(addbufs_sg)( struct inode *inode, struct file *filp,
drm_file_t *priv = filp->private_data;
drm_device_t *dev = priv->dev;
drm_device_dma_t *dma = dev->dma;
+ drm_buf_desc_t __user *argp = (void __user *)arg;
drm_buf_desc_t request;
drm_buf_entry_t *entry;
drm_buf_t *buf;
@@ -800,7 +805,7 @@ int DRM(addbufs_sg)( struct inode *inode, struct file *filp,
if ( !dma ) return -EINVAL;
- if ( copy_from_user( &request, (drm_buf_desc_t *)arg,
+ if ( copy_from_user( &request, argp,
sizeof(request) ) )
return -EFAULT;
@@ -938,7 +943,7 @@ int DRM(addbufs_sg)( struct inode *inode, struct file *filp,
request.count = entry->buf_count;
request.size = size;
- if ( copy_to_user( (drm_buf_desc_t *)arg, &request, sizeof(request) ) )
+ if ( copy_to_user( argp, &request, sizeof(request) ) )
return -EFAULT;
dma->flags = _DRM_DMA_USE_SG;
@@ -967,7 +972,7 @@ int DRM(addbufs)( struct inode *inode, struct file *filp,
{
drm_buf_desc_t request;
- if ( copy_from_user( &request, (drm_buf_desc_t *)arg,
+ if ( copy_from_user( &request, (drm_buf_desc_t __user *)arg,
sizeof(request) ) )
return -EFAULT;
@@ -1013,6 +1018,7 @@ int DRM(infobufs)( struct inode *inode, struct file *filp,
drm_device_t *dev = priv->dev;
drm_device_dma_t *dma = dev->dma;
drm_buf_info_t request;
+ drm_buf_info_t __user *argp = (void __user *)arg;
int i;
int count;
@@ -1026,9 +1032,7 @@ int DRM(infobufs)( struct inode *inode, struct file *filp,
++dev->buf_use; /* Can't allocate more after this call */
spin_unlock( &dev->count_lock );
- if ( copy_from_user( &request,
- (drm_buf_info_t *)arg,
- sizeof(request) ) )
+ if ( copy_from_user( &request, argp, sizeof(request) ) )
return -EFAULT;
for ( i = 0, count = 0 ; i < DRM_MAX_ORDER + 1 ; i++ ) {
@@ -1040,7 +1044,7 @@ int DRM(infobufs)( struct inode *inode, struct file *filp,
if ( request.count >= count ) {
for ( i = 0, count = 0 ; i < DRM_MAX_ORDER + 1 ; i++ ) {
if ( dma->bufs[i].buf_count ) {
- drm_buf_desc_t *to = &request.list[count];
+ drm_buf_desc_t __user *to = &request.list[count];
drm_buf_entry_t *from = &dma->bufs[i];
drm_freelist_t *list = &dma->bufs[i].freelist;
if ( copy_to_user( &to->count,
@@ -1069,9 +1073,7 @@ int DRM(infobufs)( struct inode *inode, struct file *filp,
}
request.count = count;
- if ( copy_to_user( (drm_buf_info_t *)arg,
- &request,
- sizeof(request) ) )
+ if ( copy_to_user( argp, &request, sizeof(request) ) )
return -EFAULT;
return 0;
@@ -1104,7 +1106,7 @@ int DRM(markbufs)( struct inode *inode, struct file *filp,
if ( !dma ) return -EINVAL;
if ( copy_from_user( &request,
- (drm_buf_desc_t *)arg,
+ (drm_buf_desc_t __user *)arg,
sizeof(request) ) )
return -EFAULT;
@@ -1151,7 +1153,7 @@ int DRM(freebufs)( struct inode *inode, struct file *filp,
if ( !dma ) return -EINVAL;
if ( copy_from_user( &request,
- (drm_buf_free_t *)arg,
+ (drm_buf_free_t __user *)arg,
sizeof(request) ) )
return -EFAULT;
@@ -1197,6 +1199,7 @@ int DRM(mapbufs)( struct inode *inode, struct file *filp,
drm_file_t *priv = filp->private_data;
drm_device_t *dev = priv->dev;
drm_device_dma_t *dma = dev->dma;
+ drm_buf_map_t __user *argp = (void __user *)arg;
int retcode = 0;
const int zero = 0;
unsigned long virtual;
@@ -1214,8 +1217,7 @@ int DRM(mapbufs)( struct inode *inode, struct file *filp,
dev->buf_use++; /* Can't allocate more after this call */
spin_unlock( &dev->count_lock );
- if ( copy_from_user( &request, (drm_buf_map_t *)arg,
- sizeof(request) ) )
+ if ( copy_from_user( &request, argp, sizeof(request) ) )
return -EFAULT;
if ( request.count >= dma->buf_count ) {
@@ -1262,7 +1264,7 @@ int DRM(mapbufs)( struct inode *inode, struct file *filp,
retcode = (signed long)virtual;
goto done;
}
- request.virtual = (void *)virtual;
+ request.virtual = (void __user *)virtual;
for ( i = 0 ; i < dma->buf_count ; i++ ) {
if ( copy_to_user( &request.list[i].idx,
@@ -1296,7 +1298,7 @@ int DRM(mapbufs)( struct inode *inode, struct file *filp,
request.count = dma->buf_count;
DRM_DEBUG( "%d buffers, retcode = %d\n", request.count, retcode );
- if ( copy_to_user( (drm_buf_map_t *)arg, &request, sizeof(request) ) )
+ if ( copy_to_user( argp, &request, sizeof(request) ) )
return -EFAULT;
return retcode;
diff --git a/linux-core/drm_context.c b/linux-core/drm_context.c
index 474b5ba0..8795198a 100644
--- a/linux-core/drm_context.c
+++ b/linux-core/drm_context.c
@@ -215,12 +215,11 @@ int DRM(getsareactx)(struct inode *inode, struct file *filp,
{
drm_file_t *priv = filp->private_data;
drm_device_t *dev = priv->dev;
+ drm_ctx_priv_map_t __user *argp = (void __user *)arg;
drm_ctx_priv_map_t request;
drm_map_t *map;
- if (copy_from_user(&request,
- (drm_ctx_priv_map_t *)arg,
- sizeof(request)))
+ if (copy_from_user(&request, argp, sizeof(request)))
return -EFAULT;
down(&dev->struct_sem);
@@ -233,7 +232,7 @@ int DRM(getsareactx)(struct inode *inode, struct file *filp,
up(&dev->struct_sem);
request.handle = map->handle;
- if (copy_to_user((drm_ctx_priv_map_t *)arg, &request, sizeof(request)))
+ if (copy_to_user(argp, &request, sizeof(request)))
return -EFAULT;
return 0;
}
@@ -261,7 +260,7 @@ int DRM(setsareactx)(struct inode *inode, struct file *filp,
struct list_head *list;
if (copy_from_user(&request,
- (drm_ctx_priv_map_t *)arg,
+ (drm_ctx_priv_map_t __user *)arg,
sizeof(request)))
return -EFAULT;
@@ -364,10 +363,11 @@ int DRM(resctx)( struct inode *inode, struct file *filp,
unsigned int cmd, unsigned long arg )
{
drm_ctx_res_t res;
+ drm_ctx_t __user *argp = (void __user *)arg;
drm_ctx_t ctx;
int i;
- if ( copy_from_user( &res, (drm_ctx_res_t *)arg, sizeof(res) ) )
+ if ( copy_from_user( &res, argp, sizeof(res) ) )
return -EFAULT;
if ( res.count >= DRM_RESERVED_CONTEXTS ) {
@@ -381,7 +381,7 @@ int DRM(resctx)( struct inode *inode, struct file *filp,
}
res.count = DRM_RESERVED_CONTEXTS;
- if ( copy_to_user( (drm_ctx_res_t *)arg, &res, sizeof(res) ) )
+ if ( copy_to_user( argp, &res, sizeof(res) ) )
return -EFAULT;
return 0;
}
@@ -403,9 +403,10 @@ int DRM(addctx)( struct inode *inode, struct file *filp,
drm_file_t *priv = filp->private_data;
drm_device_t *dev = priv->dev;
drm_ctx_list_t * ctx_entry;
+ drm_ctx_t __user *argp = (void __user *)arg;
drm_ctx_t ctx;
- if ( copy_from_user( &ctx, (drm_ctx_t *)arg, sizeof(ctx) ) )
+ if ( copy_from_user( &ctx, argp, sizeof(ctx) ) )
return -EFAULT;
ctx.handle = DRM(ctxbitmap_next)( dev );
@@ -438,7 +439,7 @@ int DRM(addctx)( struct inode *inode, struct file *filp,
++dev->ctx_count;
up( &dev->ctxlist_sem );
- if ( copy_to_user( (drm_ctx_t *)arg, &ctx, sizeof(ctx) ) )
+ if ( copy_to_user( argp, &ctx, sizeof(ctx) ) )
return -EFAULT;
return 0;
}
@@ -462,15 +463,16 @@ int DRM(modctx)( struct inode *inode, struct file *filp,
int DRM(getctx)( struct inode *inode, struct file *filp,
unsigned int cmd, unsigned long arg )
{
+ drm_ctx_t __user *argp = (void __user *)arg;
drm_ctx_t ctx;
- if ( copy_from_user( &ctx, (drm_ctx_t*)arg, sizeof(ctx) ) )
+ if ( copy_from_user( &ctx, argp, sizeof(ctx) ) )
return -EFAULT;
/* This is 0, because we don't handle any context flags */
ctx.flags = 0;
- if ( copy_to_user( (drm_ctx_t*)arg, &ctx, sizeof(ctx) ) )
+ if ( copy_to_user( argp, &ctx, sizeof(ctx) ) )
return -EFAULT;
return 0;
}
@@ -493,7 +495,7 @@ int DRM(switchctx)( struct inode *inode, struct file *filp,
drm_device_t *dev = priv->dev;
drm_ctx_t ctx;
- if ( copy_from_user( &ctx, (drm_ctx_t *)arg, sizeof(ctx) ) )
+ if ( copy_from_user( &ctx, (drm_ctx_t __user *)arg, sizeof(ctx) ) )
return -EFAULT;
DRM_DEBUG( "%d\n", ctx.handle );
@@ -518,7 +520,7 @@ int DRM(newctx)( struct inode *inode, struct file *filp,
drm_device_t *dev = priv->dev;
drm_ctx_t ctx;
- if ( copy_from_user( &ctx, (drm_ctx_t *)arg, sizeof(ctx) ) )
+ if ( copy_from_user( &ctx, (drm_ctx_t __user *)arg, sizeof(ctx) ) )
return -EFAULT;
DRM_DEBUG( "%d\n", ctx.handle );
@@ -545,7 +547,7 @@ int DRM(rmctx)( struct inode *inode, struct file *filp,
drm_device_t *dev = priv->dev;
drm_ctx_t ctx;
- if ( copy_from_user( &ctx, (drm_ctx_t *)arg, sizeof(ctx) ) )
+ if ( copy_from_user( &ctx, (drm_ctx_t __user *)arg, sizeof(ctx) ) )
return -EFAULT;
DRM_DEBUG( "%d\n", ctx.handle );
diff --git a/linux-core/drm_dma.c b/linux-core/drm_dma.c
index 14ae5545..04467342 100644
--- a/linux-core/drm_dma.c
+++ b/linux-core/drm_dma.c
@@ -215,7 +215,7 @@ int DRM(control)( struct inode *inode, struct file *filp,
{
drm_control_t ctl;
- if ( copy_from_user( &ctl, (drm_control_t *)arg, sizeof(ctl) ) )
+ if ( copy_from_user( &ctl, (drm_control_t __user *)arg, sizeof(ctl) ) )
return -EFAULT;
switch ( ctl.func ) {
diff --git a/linux-core/drm_drawable.c b/linux-core/drm_drawable.c
index 892ae4e0..59c13ef8 100644
--- a/linux-core/drm_drawable.c
+++ b/linux-core/drm_drawable.c
@@ -44,7 +44,7 @@ int DRM(adddraw)(struct inode *inode, struct file *filp,
draw.handle = 0; /* NOOP */
DRM_DEBUG("%d\n", draw.handle);
- if (copy_to_user((drm_draw_t *)arg, &draw, sizeof(draw)))
+ if (copy_to_user((drm_draw_t __user *)arg, &draw, sizeof(draw)))
return -EFAULT;
return 0;
}
diff --git a/linux-core/drm_drv.c b/linux-core/drm_drv.c
index 42831be0..706d762f 100644
--- a/linux-core/drm_drv.c
+++ b/linux-core/drm_drv.c
@@ -817,12 +817,11 @@ module_exit( drm_exit );
int DRM(version)( struct inode *inode, struct file *filp,
unsigned int cmd, unsigned long arg )
{
+ drm_version_t __user *argp = (void __user *)arg;
drm_version_t version;
int len;
- if ( copy_from_user( &version,
- (drm_version_t *)arg,
- sizeof(version) ) )
+ if ( copy_from_user( &version, argp, sizeof(version) ) )
return -EFAULT;
#define DRM_COPY( name, value ) \
@@ -842,9 +841,7 @@ int DRM(version)( struct inode *inode, struct file *filp,
DRM_COPY( version.date, DRIVER_DATE );
DRM_COPY( version.desc, DRIVER_DESC );
- if ( copy_to_user( (drm_version_t *)arg,
- &version,
- sizeof(version) ) )
+ if ( copy_to_user( argp, &version, sizeof(version) ) )
return -EFAULT;
return 0;
}
@@ -1124,7 +1121,7 @@ int DRM(lock)( struct inode *inode, struct file *filp,
++priv->lock_count;
- if ( copy_from_user( &lock, (drm_lock_t *)arg, sizeof(lock) ) )
+ if ( copy_from_user( &lock, (drm_lock_t __user *)arg, sizeof(lock) ) )
return -EFAULT;
if ( lock.context == DRM_KERNEL_CONTEXT ) {
@@ -1237,7 +1234,7 @@ int DRM(unlock)( struct inode *inode, struct file *filp,
drm_device_t *dev = priv->dev;
drm_lock_t lock;
- if ( copy_from_user( &lock, (drm_lock_t *)arg, sizeof(lock) ) )
+ if ( copy_from_user( &lock, (drm_lock_t __user *)arg, sizeof(lock) ) )
return -EFAULT;
if ( lock.context == DRM_KERNEL_CONTEXT ) {
diff --git a/linux-core/drm_fops.c b/linux-core/drm_fops.c
index 152cb4d7..869736a4 100644
--- a/linux-core/drm_fops.c
+++ b/linux-core/drm_fops.c
@@ -142,7 +142,7 @@ unsigned int DRM(poll)(struct file *filp, struct poll_table_struct *wait)
#if !__HAVE_DRIVER_FOPS_READ
/** No-op. */
-ssize_t DRM(read)(struct file *filp, char *buf, size_t count, loff_t *off)
+ssize_t DRM(read)(struct file *filp, char __user *buf, size_t count, loff_t *off)
{
return 0;
}
diff --git a/linux-core/drm_ioctl.c b/linux-core/drm_ioctl.c
index 5fa7694c..379a4f05 100644
--- a/linux-core/drm_ioctl.c
+++ b/linux-core/drm_ioctl.c
@@ -54,16 +54,17 @@ int DRM(getunique)(struct inode *inode, struct file *filp,
{
drm_file_t *priv = filp->private_data;
drm_device_t *dev = priv->dev;
+ drm_unique_t __user *argp = (void __user *)arg;
drm_unique_t u;
- if (copy_from_user(&u, (drm_unique_t *)arg, sizeof(u)))
+ if (copy_from_user(&u, argp, sizeof(u)))
return -EFAULT;
if (u.unique_len >= dev->unique_len) {
if (copy_to_user(u.unique, dev->unique, dev->unique_len))
return -EFAULT;
}
u.unique_len = dev->unique_len;
- if (copy_to_user((drm_unique_t *)arg, &u, sizeof(u)))
+ if (copy_to_user(argp, &u, sizeof(u)))
return -EFAULT;
return 0;
}
@@ -92,7 +93,8 @@ int DRM(setunique)(struct inode *inode, struct file *filp,
if (dev->unique_len || dev->unique) return -EBUSY;
- if (copy_from_user(&u, (drm_unique_t *)arg, sizeof(u))) return -EFAULT;
+ if (copy_from_user(&u, (drm_unique_t __user *)arg, sizeof(u)))
+ return -EFAULT;
if (!u.unique_len || u.unique_len > 1024) return -EINVAL;
@@ -172,13 +174,14 @@ int DRM(getmap)( struct inode *inode, struct file *filp,
{
drm_file_t *priv = filp->private_data;
drm_device_t *dev = priv->dev;
+ drm_map_t __user *argp = (void __user *)arg;
drm_map_t map;
drm_map_list_t *r_list = NULL;
struct list_head *list;
int idx;
int i;
- if (copy_from_user(&map, (drm_map_t *)arg, sizeof(map)))
+ if (copy_from_user(&map, argp, sizeof(map)))
return -EFAULT;
idx = map.offset;
@@ -209,7 +212,7 @@ int DRM(getmap)( struct inode *inode, struct file *filp,
map.mtrr = r_list->map->mtrr;
up(&dev->struct_sem);
- if (copy_to_user((drm_map_t *)arg, &map, sizeof(map))) return -EFAULT;
+ if (copy_to_user(argp, &map, sizeof(map))) return -EFAULT;
return 0;
}
@@ -231,12 +234,13 @@ int DRM(getclient)( struct inode *inode, struct file *filp,
{
drm_file_t *priv = filp->private_data;
drm_device_t *dev = priv->dev;
+ drm_client_t __user *argp = (void __user *)arg;
drm_client_t client;
drm_file_t *pt;
int idx;
int i;
- if (copy_from_user(&client, (drm_client_t *)arg, sizeof(client)))
+ if (copy_from_user(&client, argp, sizeof(client)))
return -EFAULT;
idx = client.idx;
down(&dev->struct_sem);
@@ -254,7 +258,7 @@ int DRM(getclient)( struct inode *inode, struct file *filp,
client.iocs = pt->ioctl_count;
up(&dev->struct_sem);
- if (copy_to_user((drm_client_t *)arg, &client, sizeof(client)))
+ if (copy_to_user(argp, &client, sizeof(client)))
return -EFAULT;
return 0;
}
@@ -295,7 +299,7 @@ int DRM(getstats)( struct inode *inode, struct file *filp,
up(&dev->struct_sem);
- if (copy_to_user((drm_stats_t *)arg, &stats, sizeof(stats)))
+ if (copy_to_user((drm_stats_t __user *)arg, &stats, sizeof(stats)))
return -EFAULT;
return 0;
}
@@ -309,15 +313,16 @@ int DRM(setversion)(DRM_IOCTL_ARGS)
drm_set_version_t sv;
drm_set_version_t retv;
int if_version;
+ drm_set_version_t __user *argp = (void __user *)data;
- DRM_COPY_FROM_USER_IOCTL(sv, (drm_set_version_t *)data, sizeof(sv));
+ DRM_COPY_FROM_USER_IOCTL(sv, argp, sizeof(sv));
retv.drm_di_major = DRM_IF_MAJOR;
retv.drm_di_minor = DRM_IF_MINOR;
retv.drm_dd_major = DRIVER_MAJOR;
retv.drm_dd_minor = DRIVER_MINOR;
- DRM_COPY_TO_USER_IOCTL((drm_set_version_t *)data, retv, sizeof(sv));
+ DRM_COPY_TO_USER_IOCTL(argp, retv, sizeof(sv));
if (sv.drm_di_major != -1) {
if (sv.drm_di_major != DRM_IF_MAJOR ||
diff --git a/linux-core/drm_irq.c b/linux-core/drm_irq.c
index f53f142a..035eb70f 100644
--- a/linux-core/drm_irq.c
+++ b/linux-core/drm_irq.c
@@ -66,9 +66,10 @@ int DRM(irq_by_busid)(struct inode *inode, struct file *filp,
{
drm_file_t *priv = filp->private_data;
drm_device_t *dev = priv->dev;
+ drm_irq_busid_t __user *argp = (void __user *)arg;
drm_irq_busid_t p;
- if (copy_from_user(&p, (drm_irq_busid_t *)arg, sizeof(p)))
+ if (copy_from_user(&p, argp, sizeof(p)))
return -EFAULT;
if ((p.busnum >> 8) != dev->pci_domain ||
@@ -81,7 +82,7 @@ int DRM(irq_by_busid)(struct inode *inode, struct file *filp,
DRM_DEBUG("%d:%d:%d => IRQ %d\n",
p.busnum, p.devnum, p.funcnum, p.irq);
- if (copy_to_user((drm_irq_busid_t *)arg, &p, sizeof(p)))
+ if (copy_to_user(argp, &p, sizeof(p)))
return -EFAULT;
return 0;
}
@@ -214,7 +215,7 @@ int DRM(control)( struct inode *inode, struct file *filp,
drm_device_t *dev = priv->dev;
drm_control_t ctl;
- if ( copy_from_user( &ctl, (drm_control_t *)arg, sizeof(ctl) ) )
+ if ( copy_from_user( &ctl, (drm_control_t __user *)arg, sizeof(ctl) ) )
return -EFAULT;
switch ( ctl.func ) {
@@ -255,6 +256,7 @@ int DRM(wait_vblank)( DRM_IOCTL_ARGS )
{
drm_file_t *priv = filp->private_data;
drm_device_t *dev = priv->dev;
+ drm_wait_vblank_t __user *argp = (void __user *)data;
drm_wait_vblank_t vblwait;
struct timeval now;
int ret = 0;
@@ -263,8 +265,7 @@ int DRM(wait_vblank)( DRM_IOCTL_ARGS )
if (!dev->irq)
return -EINVAL;
- DRM_COPY_FROM_USER_IOCTL( vblwait, (drm_wait_vblank_t *)data,
- sizeof(vblwait) );
+ DRM_COPY_FROM_USER_IOCTL( vblwait, argp, sizeof(vblwait) );
switch ( vblwait.request.type & ~_DRM_VBLANK_FLAGS_MASK ) {
case _DRM_VBLANK_RELATIVE:
@@ -333,8 +334,7 @@ int DRM(wait_vblank)( DRM_IOCTL_ARGS )
}
done:
- DRM_COPY_TO_USER_IOCTL( (drm_wait_vblank_t *)data, vblwait,
- sizeof(vblwait) );
+ DRM_COPY_TO_USER_IOCTL( argp, vblwait, sizeof(vblwait) );
return ret;
}
diff --git a/linux-core/drm_scatter.c b/linux-core/drm_scatter.c
index 45a30fc3..4aaf89d4 100644
--- a/linux-core/drm_scatter.c
+++ b/linux-core/drm_scatter.c
@@ -67,6 +67,7 @@ int DRM(sg_alloc)( struct inode *inode, struct file *filp,
{
drm_file_t *priv = filp->private_data;
drm_device_t *dev = priv->dev;
+ drm_scatter_gather_t __user *argp = (void __user *)arg;
drm_scatter_gather_t request;
drm_sg_mem_t *entry;
unsigned long pages, i, j;
@@ -76,9 +77,7 @@ int DRM(sg_alloc)( struct inode *inode, struct file *filp,
if ( dev->sg )
return -EINVAL;
- if ( copy_from_user( &request,
- (drm_scatter_gather_t *)arg,
- sizeof(request) ) )
+ if ( copy_from_user( &request, argp, sizeof(request) ) )
return -EFAULT;
entry = DRM(alloc)( sizeof(*entry), DRM_MEM_SGLISTS );
@@ -146,9 +145,7 @@ int DRM(sg_alloc)( struct inode *inode, struct file *filp,
request.handle = entry->handle;
- if ( copy_to_user( (drm_scatter_gather_t *)arg,
- &request,
- sizeof(request) ) ) {
+ if ( copy_to_user( argp, &request, sizeof(request) ) ) {
DRM(sg_cleanup)( entry );
return -EFAULT;
}
@@ -211,7 +208,7 @@ int DRM(sg_free)( struct inode *inode, struct file *filp,
drm_sg_mem_t *entry;
if ( copy_from_user( &request,
- (drm_scatter_gather_t *)arg,
+ (drm_scatter_gather_t __user *)arg,
sizeof(request) ) )
return -EFAULT;
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-26 06:23:47 +0000