From: Andreea-Cristina Bernat Date: Thu, 16 Mar 2017 16:27:45 +0000 (+0000) Subject: afs: security: Replace rcu_assign_pointer() with RCU_INIT_POINTER() X-Git-Tag: v4.11-rc3~16^2~16 X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=df8a09d1b8f9e693ec3f6b7e0162fc817f2cf0db;p=karo-tx-linux.git afs: security: Replace rcu_assign_pointer() with RCU_INIT_POINTER() The use of "rcu_assign_pointer()" is NULLing out the pointer. According to RCU_INIT_POINTER()'s block comment: "1. This use of RCU_INIT_POINTER() is NULLing out the pointer" it is better to use it instead of rcu_assign_pointer() because it has a smaller overhead. The following Coccinelle semantic patch was used: @@ @@ - rcu_assign_pointer + RCU_INIT_POINTER (..., NULL) Signed-off-by: Andreea-Cristina Bernat Signed-off-by: David Howells --- diff --git a/fs/afs/security.c b/fs/afs/security.c index bfa9d3428383..ecb86a670180 100644 --- a/fs/afs/security.c +++ b/fs/afs/security.c @@ -114,7 +114,7 @@ void afs_clear_permits(struct afs_vnode *vnode) mutex_lock(&vnode->permits_lock); permits = vnode->permits; - rcu_assign_pointer(vnode->permits, NULL); + RCU_INIT_POINTER(vnode->permits, NULL); mutex_unlock(&vnode->permits_lock); if (permits)