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[1/9] external/drm: Validate bo_fake before using.

Message ID 1425620714-21703-2-git-send-email-praveen.paneri@intel.com (mailing list archive)
State New, archived
Headers show

Commit Message

Praveen Paneri March 6, 2015, 5:45 a.m. UTC 
Check on bo_fake before dereferencing the object in functions
evict_lru and evict_mru.

Signed-off-by: Praveen Paneri <praveen.paneri@intel.com>
---
 intel/intel_bufmgr_fake.c | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)
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Patch

diff --git a/intel/intel_bufmgr_fake.c b/intel/intel_bufmgr_fake.c
index d63fc81..ed31c23 100644
--- a/intel/intel_bufmgr_fake.c
+++ b/intel/intel_bufmgr_fake.c
@@ -556,8 +556,10 @@  evict_lru(drm_intel_bufmgr_fake *bufmgr_fake, unsigned int max_fence)
 							    max_fence))
 			return 0;
 
-		set_dirty(&bo_fake->bo);
-		bo_fake->block = NULL;
+		if (bo_fake) {
+			set_dirty(&bo_fake->bo);
+			bo_fake->block = NULL;
+		}
 
 		free_block(bufmgr_fake, block, 0);
 		return 1;
@@ -579,8 +581,10 @@  evict_mru(drm_intel_bufmgr_fake *bufmgr_fake)
 		if (bo_fake && (bo_fake->flags & BM_NO_FENCE_SUBDATA))
 			continue;
 
-		set_dirty(&bo_fake->bo);
-		bo_fake->block = NULL;
+		if (bo_fake) {
+			set_dirty(&bo_fake->bo);
+			bo_fake->block = NULL;
+		}
 
 		free_block(bufmgr_fake, block, 0);
 		return 1;