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ipc/util: drop ipc_rcu_free()

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There are no more callers of ipc_rcu_free(), so remove it.

Link: http://lkml.kernel.org/r/20170525185107.12869-9-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 14:34:59 -07:00 committed by Linus Torvalds
parent 9ef5932f8a
commit 5ccc8fb54f
2 changed files with 0 additions and 8 deletions
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7
ipc/util.c
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@ -429,13 +429,6 @@ void ipc_rcu_putref(struct kern_ipc_perm *ptr,
call_rcu(&ptr->rcu, func);
}
void ipc_rcu_free(struct rcu_head *h)
{
struct kern_ipc_perm *ptr = container_of(h, struct kern_ipc_perm, rcu);
kvfree(ptr);
}
/**
* ipcperms - check ipc permissions
* @ns: ipc namespace

1
ipc/util.h
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@ -119,7 +119,6 @@ struct kern_ipc_perm *ipc_rcu_alloc(int size);
int ipc_rcu_getref(struct kern_ipc_perm *ptr);
void ipc_rcu_putref(struct kern_ipc_perm *ptr,
void (*func)(struct rcu_head *head));
void ipc_rcu_free(struct rcu_head *h);
struct kern_ipc_perm *ipc_lock(struct ipc_ids *, int);
struct kern_ipc_perm *ipc_obtain_object_idr(struct ipc_ids *ids, int id);