aboutsummaryrefslogtreecommitdiff
path: root/linux/gamma_dma.c
diff options
context:
space:
mode:
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 /linux/gamma_dma.c
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 'linux/gamma_dma.c')
-rw-r--r--linux/gamma_dma.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/linux/gamma_dma.c b/linux/gamma_dma.c
index 6734f1c4..cf25aaba 100644
--- a/linux/gamma_dma.c
+++ b/linux/gamma_dma.c
@@ -673,7 +673,8 @@ int gamma_do_cleanup_dma( drm_device_t *dev )
if ( dev->dev_private ) {
drm_gamma_private_t *dev_priv = dev->dev_private;
- DRM_IOREMAPFREE( dev_priv->buffers );
+ if ( dev_priv->buffers != NULL )
+ DRM_IOREMAPFREE( dev_priv->buffers );
DRM(free)( dev->dev_private, sizeof(drm_gamma_private_t),
DRM_MEM_DRIVER );