ipc, shm: drop shm_lock_check
This function was replaced by a the lockless shm_obtain_object_check(), and no longer has any users. Signed-off-by: Davidlohr Bueso <davidlohr.bueso@hp.com> Cc: Sedat Dilek <sedat.dilek@gmail.com> Cc: Rik van Riel <riel@redhat.com> Cc: Manfred Spraul <manfred@colorfullife.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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1 changed files with 0 additions and 11 deletions
11
ipc/shm.c
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ipc/shm.c
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@ -167,17 +167,6 @@ static inline void shm_lock_by_ptr(struct shmid_kernel *ipcp)
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ipc_lock_object(&ipcp->shm_perm);
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}
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static inline struct shmid_kernel *shm_lock_check(struct ipc_namespace *ns,
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int id)
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{
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struct kern_ipc_perm *ipcp = ipc_lock_check(&shm_ids(ns), id);
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if (IS_ERR(ipcp))
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return (struct shmid_kernel *)ipcp;
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return container_of(ipcp, struct shmid_kernel, shm_perm);
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}
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static inline void shm_rmid(struct ipc_namespace *ns, struct shmid_kernel *s)
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{
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ipc_rmid(&shm_ids(ns), &s->shm_perm);
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