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intel: Clear virtual after failing to mmap_gtt.
author
Chris Wilson
<chris@chris-wilson.co.uk>
Tue, 8 Dec 2009 22:35:24 +0000
(22:35 +0000)
committer
Chris Wilson
<chris@chris-wilson.co.uk>
Tue, 8 Dec 2009 22:35:24 +0000
(22:35 +0000)
Don't store the error return in bo_gem->gtt_virtual or else we will
attempt to use that as a valid pointer in future mappings.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
intel/intel_bufmgr_gem.c
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diff --git
a/intel/intel_bufmgr_gem.c
b/intel/intel_bufmgr_gem.c
index
5b76340
..
f3af3a9
100644
(file)
--- a/
intel/intel_bufmgr_gem.c
+++ b/
intel/intel_bufmgr_gem.c
@@
-950,6
+950,7
@@
int drm_intel_gem_bo_map_gtt(drm_intel_bo *bo)
MAP_SHARED, bufmgr_gem->fd,
mmap_arg.offset);
if (bo_gem->gtt_virtual == MAP_FAILED) {
+ bo_gem->gtt_virtual = NULL;
ret = -errno;
fprintf(stderr,
"%s:%d: Error mapping buffer %d (%s): %s .\n",