diff options
| author | Hyejeong Choi <hjeong.choi@samsung.com> | 2025-05-12 21:06:38 -0500 |
|---|---|---|
| committer | Christian König <christian.koenig@amd.com> | 2025-05-14 15:31:23 +0200 |
| commit | 72c7d62583ebce7baeb61acce6057c361f73be4a (patch) | |
| tree | 73e9d5704208aab3be9a6acf5c8ecfdc9047fdb7 /tools/testing/radix-tree/linux/kernel.h | |
| parent | 2f0c6fceae0df59a9c0edb5d41529b90ee9f2fcb (diff) | |
dma-buf: insert memory barrier before updating num_fences
smp_store_mb() inserts memory barrier after storing operation.
It is different with what the comment is originally aiming so Null
pointer dereference can be happened if memory update is reordered.
Signed-off-by: Hyejeong Choi <hjeong.choi@samsung.com>
Fixes: a590d0fdbaa5 ("dma-buf: Update reservation shared_count after adding the new fence")
CC: stable@vger.kernel.org
Reviewed-by: Christian König <christian.koenig@amd.com>
Link: https://lore.kernel.org/r/20250513020638.GA2329653@au1-maretx-p37.eng.sarc.samsung.com
Signed-off-by: Christian König <christian.koenig@amd.com>
Diffstat (limited to 'tools/testing/radix-tree/linux/kernel.h')
0 files changed, 0 insertions, 0 deletions