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sna/dri: Prevent a NULL dereference in a DBG msg 

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
This commit is contained in:
Chris Wilson 2013-09-23 21:08:13 +01:00
parent 3fd116782b
commit 63a81c87b1
1 changed files with 9 additions and 8 deletions
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17
src/sna/sna_dri.c
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@ -1468,7 +1468,6 @@ sna_dri_immediate_blit(struct sna *sna,
static void
sna_dri_flip_get_back(struct sna *sna, struct sna_dri_frame_event *info)
{
struct dri_bo *c;
struct kgem_bo *bo;
uint32_t name;
@ -1489,13 +1488,15 @@ sna_dri_flip_get_back(struct sna *sna, struct sna_dri_frame_event *info)
bo = NULL;
if (!list_is_empty(&info->cache)) {
c = list_first_entry(&info->cache, struct dri_bo, link);
bo = c->bo;
name = c->name;
DBG(("%s: reuse cache handle=%d,name=%d\n", __FUNCTION__,
bo->handle, name));
list_move_tail(&c->link, &info->cache);
c->bo = NULL;
struct dri_bo *c = list_first_entry(&info->cache, struct dri_bo, link);
if (c->bo) {
bo = c->bo;
name = c->name;
DBG(("%s: reuse cache handle=%d,name=%d\n", __FUNCTION__,
bo->handle, name));
list_move_tail(&c->link, &info->cache);
c->bo = NULL;
}
}
if (bo == NULL) {
DBG(("%s: allocating new backbuffer\n", __FUNCTION__));