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security/safesetid: Replace rcu_swap_protected() with rcu_replace_pointer()

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

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>
This commit is contained in:
Paul E. McKenney 2019-10-04 15:07:09 -07:00
parent 445d374931
commit a60a574600
1 changed files with 2 additions and 2 deletions
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4
security/safesetid/securityfs.c
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@ -179,8 +179,8 @@ static ssize_t handle_policy_update(struct file *file,
* doesn't currently exist, just use a spinlock for now.
*/
mutex_lock(&policy_update_lock);
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));
mutex_unlock(&policy_update_lock);
err = len;