From: Anna-Maria Gleixner <anna-ma...@linutronix.de>
The irqsave variant of atomic_dec_and_lock handles irqsave/restore when
taking/releasing the spin lock. With this variant the call of
local_irq_save/restore is no longer required.
Signed-off-by: Anna-Maria Gleixner <anna-ma...@linutronix.de>
Signed-off-by: Sebastian Andrzej Siewior <bige...@linutronix.de>
---
kernel/user.c | 5 +----
1 file changed, 1 insertion(+), 4 deletions(-)
diff --git a/kernel/user.c b/kernel/user.c
index 36288d840675..8959ad11d766 100644
--- a/kernel/user.c
+++ b/kernel/user.c
@@ -169,11 +169,8 @@ void free_uid(struct user_struct *up)
if (!up)
return;
- local_irq_save(flags);
- if (atomic_dec_and_lock(&up->__count, &uidhash_lock))
+ if (atomic_dec_and_lock_irqsave(&up->__count, &uidhash_lock, flags))
free_user(up, flags);
- else
- local_irq_restore(flags);
}
struct user_struct *alloc_uid(kuid_t uid)
--
2.17.0
