diff options
| author | Leif Delgass <ldelgass@users.sourceforge.net> | 2003-04-21 16:07:17 +0000 |
|---|---|---|
| committer | Leif Delgass <ldelgass@users.sourceforge.net> | 2003-04-21 16:07:17 +0000 |
| commit | 46e06192a88834a97257d2be5ab3aa7c325a1cfe (patch) | |
| tree | 3a77c3f79e6415aaff35c6fbd22f256269ced8a0 /shared | |
| parent | da35a90d99cf56a8ffc48f87754013d13e1cafcd (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.c | 9 | ||||
| -rw-r--r-- | shared/r128_cce.c | 9 | ||||
| -rw-r--r-- | shared/radeon_cp.c | 9 |
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, |