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st/va: Check NULL pointer

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Call to handle_table_get in vlVaDestroySurfaces can
return NULL on failure.

CID: 1243522

Signed-off-by: Gurkirpal Singh <gurkirpal204@gmail.com>
Reviewed-by: Julien Isorce <j.isorce@samsung.com>
This commit is contained in:
Gurkirpal Singh 2016-06-26 12:32:25 +05:30 • committed by Julien Isorce
parent d20b89e928
commit 46dba701d8
1 changed files with 4 additions and 0 deletions
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4
src/gallium/state_trackers/va/surface.c
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@ -71,6 +71,10 @@ vlVaDestroySurfaces(VADriverContextP ctx, VASurfaceID *surface_list, int num_sur
pipe_mutex_lock(drv->mutex);
for (i = 0; i < num_surfaces; ++i) {
vlVaSurface *surf = handle_table_get(drv->htab, surface_list[i]);
if (!surf) {
pipe_mutex_unlock(drv->mutex);
return VA_STATUS_ERROR_INVALID_SURFACE;
}
if (surf->buffer)
surf->buffer->destroy(surf->buffer);
util_dynarray_fini(&surf->subpics);