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authorThomas Hellstrom <unichrome@shipmail.org>2004-12-21 17:13:22 +0000
committerThomas Hellstrom <unichrome@shipmail.org>2004-12-21 17:13:22 +0000
commit02c35ec0a28b4fffcfc09ca444f7dc0c0912216d (patch)
tree988aa44f498d6251ad28d76663ec786e625537d1 /shared/via_dma.c
parent47c178da08c01501890e23219cbac8319992a453 (diff)
via DRM: Tightened the security for some functions of the
DRM_IOCTL_VIA_DMA_INIT IOCTL. Bumped patchlevel and driver date. XFree86 bug: 2119
Diffstat (limited to 'shared/via_dma.c')
-rw-r--r--shared/via_dma.c13
1 files changed, 10 insertions, 3 deletions
diff --git a/shared/via_dma.c b/shared/via_dma.c
index a5c4b0a3..000d4b0c 100644
--- a/shared/via_dma.c
+++ b/shared/via_dma.c
@@ -192,13 +192,20 @@ int via_dma_init(DRM_IOCTL_ARGS)
switch (init.func) {
case VIA_INIT_DMA:
- retcode = via_initialize(dev, dev_priv, &init);
+ if (!capable(CAP_SYS_ADMIN))
+ retcode = DRM_ERR(EPERM);
+ else
+ retcode = via_initialize(dev, dev_priv, &init);
break;
case VIA_CLEANUP_DMA:
- retcode = via_dma_cleanup(dev);
+ if (!capable(CAP_SYS_ADMIN))
+ retcode = DRM_ERR(EPERM);
+ else
+ retcode = via_dma_cleanup(dev);
break;
case VIA_DMA_INITIALIZED:
- retcode = (dev_priv->ring.virtual_start != NULL) ? 0: DRM_ERR( EFAULT );
+ retcode = (dev_priv->ring.virtual_start != NULL) ?
+ 0: DRM_ERR( EFAULT );
break;
default:
retcode = DRM_ERR(EINVAL);