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authorDavidlohr Bueso <[email protected]>2018-08-21 22:01:41 -0700
committerLinus Torvalds <[email protected]>2018-08-22 10:52:52 -0700
commit82061c57ce93caa50fd01c11f8eb30ddc4c4bd75 (patch)
treee8f8077ee5442eec5e372b343ce117b43bf538e7 /tools/perf/scripts/python/export-to-postgresql.py
parent2e5ceb452c9b7f0a30c87bd61c01260e3d8464ad (diff)
ipc: drop ipc_lock()
ipc/util.c contains multiple functions to get the ipc object pointer given an id number. There are two sets of function: One set verifies the sequence counter part of the id number, other functions do not check the sequence counter. The standard for function names in ipc/util.c is - ..._check() functions verify the sequence counter - ..._idr() functions do not verify the sequence counter ipc_lock() is an exception: It does not verify the sequence counter value, but this is not obvious from the function name. Furthermore, shm.c is the only user of this helper. Thus, we can simply move the logic into shm_lock() and get rid of the function altogether. [[email protected]: most of changelog] Link: http://lkml.kernel.org/r/[email protected] Signed-off-by: Davidlohr Bueso <[email protected]> Signed-off-by: Manfred Spraul <[email protected]> Cc: Dmitry Vyukov <[email protected]> Cc: Herbert Xu <[email protected]> Cc: Kees Cook <[email protected]> Cc: Michael Kerrisk <[email protected]> Cc: Michal Hocko <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
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