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linux/drivers/dma-buf
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Dmitry Osipenko d3292daee3 dma-buf: Make locking consistent in dma_buf_detach() 
The dma_buf_detach() locks attach->dmabuf->resv and then unlocks
dmabuf->resv, which could be a two different locks from a static
code checker perspective. In particular this triggers Smatch to
report the "double unlock" error. Make the locking pointers consistent.

Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Link: https://lore.kernel.org/dri-devel/Y1fLfsccW3AS%2Fo+%2F@kili/
Fixes: 809d9c72c2 ("dma-buf: Move dma_buf_attach() to dynamic locking specification")
Signed-off-by: Dmitry Osipenko <dmitry.osipenko@collabora.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20221030154412.8320-2-dmitry.osipenko@collabora.com
2022-11-02 13:52:38 +03:00
..
heaps
dma-buf-sysfs-stats.c
dma-buf-sysfs-stats.h
dma-buf.c dma-buf: Make locking consistent in dma_buf_detach() 2022-11-02 13:52:38 +03:00
dma-fence-array.c
dma-fence-chain.c dma-buf: cleanup dma_fence_chain_walk 2022-05-30 11:24:50 +02:00
dma-fence-unwrap.c dma-buf: revert "return only unsignaled fences in dma_fence_unwrap_for_each v3" 2022-07-14 14:41:30 +02:00
dma-fence.c dma-buf: fix dma_fence_default_wait() signaling check 2022-09-19 20:45:17 +02:00
dma-heap.c
dma-resv.c dma-buf/dma-resv: check if the new fence is really later 2022-08-25 13:10:30 +02:00
Kconfig dma-buf: deprecate DMABUF_SYSFS_STATS 2022-06-23 10:51:43 +02:00
Makefile dma-buf: cleanup dma_fence_unwrap implementation 2022-05-30 14:16:32 +02:00
selftest.c
selftest.h
selftests.h
st-dma-fence-chain.c dma-buf: Enable signaling on fence for selftests 2022-09-16 15:53:25 +02:00
st-dma-fence-unwrap.c dma-buf: Enable signaling on fence for selftests 2022-09-16 15:53:25 +02:00
st-dma-fence.c dma-buf: Enable signaling on fence for selftests 2022-09-16 15:53:25 +02:00
st-dma-resv.c dma-buf: Enable signaling on fence for selftests 2022-09-16 15:53:25 +02:00
sw_sync.c
sync_debug.c
sync_debug.h
sync_file.c dma-buf/sync_file: use strscpy to replace strlcpy 2022-08-10 13:50:49 +02:00
sync_trace.h
udmabuf.c whack-a-mole: cropped up open-coded file_inode() uses... 2022-10-06 17:22:11 -07:00