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(parent: 7e72442) | patch
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)
commita43a9f67774adbd575d10ec88824016fbe034777
treefc563220c4c6804dad5918d0a24a357db394655ctree | snapshot
parent7e724422a7e9dfc8229ba90ee95aaafb902a788bcommit | diff
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: 9e495e24003e ("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 diff | blob | history
ep93xx device tree rework repo: git://git.maquefel.me/linux.git