[tip/core/rcu,10/10] security/safesetid: Replace rcu_swap_protected() with rcu_replace()
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Message ID 20191022191215.25781-10-paulmck@kernel.org
State New
Headers show
  • Replace rcu_swap_protected() for v5.5
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Commit Message

Paul E. McKenney Oct. 22, 2019, 7:12 p.m. UTC
From: "Paul E. McKenney" <paulmck@kernel.org>

This commit replaces the use of rcu_swap_protected() with the more
intuitively appealing rcu_replace() as a step towards removing

Link: https://lore.kernel.org/lkml/CAHk-=wiAsJLw1egFEE=Z7-GGtM6wcvtyytXZA1+BHqta4gg6Hw@mail.gmail.com/
Reported-by: Linus Torvalds <torvalds@linux-foundation.org>
Reported-by: Reported-by: kbuild test robot <lkp@intel.com>
[ paulmck: From rcu_replace() to rcu_replace_pointer() per Ingo Molnar. ]
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
Cc: Micah Morton <mortonm@chromium.org>
Cc: James Morris <jmorris@namei.org>
Cc: "Serge E. Hallyn" <serge@hallyn.com>
Cc: <linux-security-module@vger.kernel.org>
 security/safesetid/securityfs.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

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diff --git a/security/safesetid/securityfs.c b/security/safesetid/securityfs.c
index 74a13d4..f8bc574 100644
--- a/security/safesetid/securityfs.c
+++ b/security/safesetid/securityfs.c
@@ -179,8 +179,8 @@  static ssize_t handle_policy_update(struct file *file,
 	 * doesn't currently exist, just use a spinlock for now.
-	rcu_swap_protected(safesetid_setuid_rules, pol,
-			   lockdep_is_held(&policy_update_lock));
+	pol = rcu_replace_pointer(safesetid_setuid_rules, pol,
+				  lockdep_is_held(&policy_update_lock));
 	err = len;