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authorLeif Delgass <ldelgass@users.sourceforge.net>2003-04-21 16:07:17 +0000
committerLeif Delgass <ldelgass@users.sourceforge.net>2003-04-21 16:07:17 +0000
commit46e06192a88834a97257d2be5ab3aa7c325a1cfe (patch)
tree3a77c3f79e6415aaff35c6fbd22f256269ced8a0 /shared
parentda35a90d99cf56a8ffc48f87754013d13e1cafcd (diff)
Check for NULL map before calling DRM(ioremapfree) on cleanup. Prevents an
oops if a map wasn't found (e.g. XFree86 Bugzilla #108)
Diffstat (limited to 'shared')
-rw-r--r--shared/mga_dma.c9
-rw-r--r--shared/r128_cce.c9
-rw-r--r--shared/radeon_cp.c9
3 files changed, 18 insertions, 9 deletions
diff --git a/shared/mga_dma.c b/shared/mga_dma.c
index 5e95c9f9..96fd97ff 100644
--- a/shared/mga_dma.c
+++ b/shared/mga_dma.c
@@ -642,9 +642,12 @@ int mga_do_cleanup_dma( drm_device_t *dev )
if ( dev->dev_private ) {
drm_mga_private_t *dev_priv = dev->dev_private;
- DRM_IOREMAPFREE( dev_priv->warp );
- DRM_IOREMAPFREE( dev_priv->primary );
- DRM_IOREMAPFREE( dev_priv->buffers );
+ if ( dev_priv->warp != NULL )
+ DRM_IOREMAPFREE( dev_priv->warp );
+ if ( dev_priv->primary != NULL )
+ DRM_IOREMAPFREE( dev_priv->primary );
+ if ( dev_priv->buffers != NULL )
+ DRM_IOREMAPFREE( dev_priv->buffers );
if ( dev_priv->head != NULL ) {
mga_freelist_cleanup( dev );
diff --git a/shared/r128_cce.c b/shared/r128_cce.c
index 7f0f4325..ad03f4f9 100644
--- a/shared/r128_cce.c
+++ b/shared/r128_cce.c
@@ -619,9 +619,12 @@ int r128_do_cleanup_cce( drm_device_t *dev )
#if __REALLY_HAVE_SG
if ( !dev_priv->is_pci ) {
#endif
- DRM_IOREMAPFREE( dev_priv->cce_ring );
- DRM_IOREMAPFREE( dev_priv->ring_rptr );
- DRM_IOREMAPFREE( dev_priv->buffers );
+ if ( dev_priv->cce_ring != NULL )
+ DRM_IOREMAPFREE( dev_priv->cce_ring );
+ if ( dev_priv->ring_rptr != NULL )
+ DRM_IOREMAPFREE( dev_priv->ring_rptr );
+ if ( dev_priv->buffers != NULL )
+ DRM_IOREMAPFREE( dev_priv->buffers );
#if __REALLY_HAVE_SG
} else {
if (!DRM(ati_pcigart_cleanup)( dev,
diff --git a/shared/radeon_cp.c b/shared/radeon_cp.c
index 3ec8dfd1..ee4beb1a 100644
--- a/shared/radeon_cp.c
+++ b/shared/radeon_cp.c
@@ -1279,9 +1279,12 @@ int radeon_do_cleanup_cp( drm_device_t *dev )
drm_radeon_private_t *dev_priv = dev->dev_private;
if ( !dev_priv->is_pci ) {
- DRM_IOREMAPFREE( dev_priv->cp_ring );
- DRM_IOREMAPFREE( dev_priv->ring_rptr );
- DRM_IOREMAPFREE( dev_priv->buffers );
+ if ( dev_priv->cp_ring != NULL )
+ DRM_IOREMAPFREE( dev_priv->cp_ring );
+ if ( dev_priv->ring_rptr != NULL )
+ DRM_IOREMAPFREE( dev_priv->ring_rptr );
+ if ( dev_priv->buffers != NULL )
+ DRM_IOREMAPFREE( dev_priv->buffers );
} else {
#if __REALLY_HAVE_SG
if (!DRM(ati_pcigart_cleanup)( dev,