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authorMonam Agarwal <monamagarwal123@gmail.com>2014-04-07 15:38:35 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2014-04-07 16:36:04 -0700
commit1c44dbc82f75aabc5de95da92b304393a94751fc (patch)
treeb2b18dfcf5074421e3f70482c1c50b647e72c81e /fs/proc/inode.c
parent49d063cb353265c3af701bab215ac438ca7df36d (diff)
downloadop-kernel-dev-1c44dbc82f75aabc5de95da92b304393a94751fc.zip
op-kernel-dev-1c44dbc82f75aabc5de95da92b304393a94751fc.tar.gz
fs/proc/inode.c: use RCU_INIT_POINTER(x, NULL)
Replace rcu_assign_pointer(x, NULL) with RCU_INIT_POINTER(x, NULL) The rcu_assign_pointer() ensures that the initialization of a structure is carried out before storing a pointer to that structure. And in the case of the NULL pointer, there is no structure to initialize. So, rcu_assign_pointer(p, NULL) can be safely converted to RCU_INIT_POINTER(p, NULL) Signed-off-by: Monam Agarwal <monamagarwal123@gmail.com> Cc: "Paul E. McKenney" <paulmck@us.ibm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs/proc/inode.c')
-rw-r--r--fs/proc/inode.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/proc/inode.c b/fs/proc/inode.c
index 8f20e34..0adbc02 100644
--- a/fs/proc/inode.c
+++ b/fs/proc/inode.c
@@ -47,7 +47,7 @@ static void proc_evict_inode(struct inode *inode)
pde_put(de);
head = PROC_I(inode)->sysctl;
if (head) {
- rcu_assign_pointer(PROC_I(inode)->sysctl, NULL);
+ RCU_INIT_POINTER(PROC_I(inode)->sysctl, NULL);
sysctl_head_put(head);
}
/* Release any associated namespace */
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