Mesa (master): radeon: return EINVAL for 0 length buffers.
Alex Deucher
agd5f at kemper.freedesktop.org
Mon Oct 19 16:12:30 UTC 2009
Module: Mesa
Branch: master
Commit: e5d6450c2c85cc7d645cb0736194f41e5393802d
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=e5d6450c2c85cc7d645cb0736194f41e5393802d
Author: Robert Noland <rnoland at 2hip.net>
Date: Wed Oct 14 13:58:56 2009 -0500
radeon: return EINVAL for 0 length buffers.
Signed-off-by: Robert Noland <rnoland at 2hip.net>
---
src/mesa/drivers/dri/radeon/radeon_bo_legacy.c | 4 ++++
1 files changed, 4 insertions(+), 0 deletions(-)
diff --git a/src/mesa/drivers/dri/radeon/radeon_bo_legacy.c b/src/mesa/drivers/dri/radeon/radeon_bo_legacy.c
index 3e7547d..ce60a2f 100644
--- a/src/mesa/drivers/dri/radeon/radeon_bo_legacy.c
+++ b/src/mesa/drivers/dri/radeon/radeon_bo_legacy.c
@@ -710,6 +710,10 @@ int radeon_bo_legacy_validate(struct radeon_bo *bo,
bo, bo->size, bo_legacy->map_count);
return -EINVAL;
}
+ if(bo->size == 0) {
+ fprintf(stderr, "bo(%p) has size 0.\n", bo);
+ return -EINVAL;
+ }
if (bo_legacy->static_bo || bo_legacy->validated) {
*soffset = bo_legacy->offset;
*eoffset = bo_legacy->offset + bo->size;
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