]> git.baikalelectronics.ru Git - kernel.git/commit
habanalabs: fix double unlock on error in map_device_va()
authorDan Carpenter <dan.carpenter@oracle.com>
Wed, 25 May 2022 12:25:06 +0000 (15:25 +0300)
committerOded Gabbay <ogabbay@kernel.org>
Tue, 12 Jul 2022 06:09:21 +0000 (09:09 +0300)
commit4c6388dc00c3bdfa6d2e57f1a8340df6003450ea
treefc563220c4c6804dad5918d0a24a357db394655c
parent49cc1e7dfb00b3bd97860529891fce1f5f34be0c
habanalabs: fix double unlock on error in map_device_va()

If hl_mmu_prefetch_cache_range() fails then this code calls
mutex_unlock(&ctx->mmu_lock) when it's no longer holding the mutex.

Fixes: fd7dad804039 ("habanalabs: do MMU prefetch as deferred work")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Oded Gabbay <ogabbay@kernel.org>
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
drivers/misc/habanalabs/common/memory.c