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ipc/sem: drop __sem_free() 

The remaining users of __sem_free() can simply call kvfree() instead for
better readability.

[manfred@colorfullife.com: Rediff to keep rcu protection for security_sem_alloc()]
Link: http://lkml.kernel.org/r/20170525185107.12869-20-manfred@colorfullife.com
Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Manfred Spraul <manfred@colorfullife.com>
Cc: Davidlohr Bueso <dave@stgolabs.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Kees Cook 2017-07-12 14:35:31 -07:00 committed by Linus Torvalds
parent fb259c310f
commit e2029dfeef
1 changed files with 2 additions and 7 deletions
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9
ipc/sem.c
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@ -258,18 +258,13 @@ static void merge_queues(struct sem_array *sma)
}
}
static void __sem_free(struct sem_array *sma)
{
kvfree(sma);
}
static void sem_rcu_free(struct rcu_head *head)
{
struct kern_ipc_perm *p = container_of(head, struct kern_ipc_perm, rcu);
struct sem_array *sma = container_of(p, struct sem_array, sem_perm);
security_sem_free(sma);
__sem_free(sma);
kvfree(sma);
}
/*
@ -500,7 +495,7 @@ static int newary(struct ipc_namespace *ns, struct ipc_params *params)
sma->sem_perm.security = NULL;
retval = security_sem_alloc(sma);
if (retval) {
__sem_free(sma);
kvfree(sma);
return retval;
}