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authorChris Wilson <chris@chris-wilson.co.uk>2011-12-05 10:39:49 +0000
committerChris Wilson <chris@chris-wilson.co.uk>2011-12-05 10:43:13 +0000
commit5c5332bbc38ff25c06081ac53a15ad583ad4cbc4 (patch)
treec89a6bf442fc63f076186372be73bb4b1473d967 /intel
parente73161a02b604742e3da3bca8f13cff81276de43 (diff)
intel: Clean up mmaps on freeing the buffer
As a precautionary measure munmap on buffer free so that we never leak the vma. Also include a warning during debugging. Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Diffstat (limited to 'intel')
-rw-r--r--intel/intel_bufmgr_gem.c14
1 files changed, 14 insertions, 0 deletions
diff --git a/intel/intel_bufmgr_gem.c b/intel/intel_bufmgr_gem.c
index d8623295..db1416a6 100644
--- a/intel/intel_bufmgr_gem.c
+++ b/intel/intel_bufmgr_gem.c
@@ -953,6 +953,20 @@ drm_intel_gem_bo_unreference_final(drm_intel_bo *bo, time_t time)
bo_gem->relocs = NULL;
}
+ /* Clear any left-over mappings */
+ if (bo_gem->map_count) {
+ DBG("bo freed with non-zero map-count %d\n", bo_gem->map_count);
+ bo_gem->map_count = 0;
+ }
+ if (bo_gem->mem_virtual) {
+ munmap(bo_gem->mem_virtual, bo_gem->bo.size);
+ bo_gem->mem_virtual = 0;
+ }
+ if (bo_gem->gtt_virtual) {
+ munmap(bo_gem->gtt_virtual, bo_gem->bo.size);
+ bo_gem->gtt_virtual = 0;
+ }
+
DRMLISTDEL(&bo_gem->name_list);
bucket = drm_intel_gem_bo_bucket_for_size(bufmgr_gem, bo->size);