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| author | Stephen Boyd <sboyd@codeaurora.org> | 2016-07-26 15:21:08 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2016-07-26 16:19:19 -0700 |
| commit | d5dfc80f80dbb3bf94e5e9efa694670ea78cd84d (patch) | |
| tree | 8eebed86fbc0b1e4ebbcf087e24c03ccb8de49c6 /lib/locking-selftest.c | |
| parent | 6b524995a71d49ae032dba308d117dbf2a18d175 (diff) | |
| download | lwn-d5dfc80f80dbb3bf94e5e9efa694670ea78cd84d.tar.gz lwn-d5dfc80f80dbb3bf94e5e9efa694670ea78cd84d.zip | |
dma-debug: track bucket lock state for static checkers
get_hash_bucket() and put_hash_bucket() acquire and release the same
spinlock, but this confuses static checkers such as sparse
lib/dma-debug.c:254:27: warning: context imbalance in 'get_hash_bucket' - wrong count at exit
lib/dma-debug.c:268:13: warning: context imbalance in 'put_hash_bucket' - unexpected unlock
Add the appropriate acquire and release statements so that checkers can
properly track the lock state.
Link: http://lkml.kernel.org/r/20160701191552.24295-1-sboyd@codeaurora.org
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'lib/locking-selftest.c')
0 files changed, 0 insertions, 0 deletions