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Commit f08a4af5 authored by Lee Jones's avatar Lee Jones Committed by Greg Kroah-Hartman
Browse files

futex: Use pi_state_update_owner() in put_pi_state() 



From: Thomas Gleixner <tglx@linutronix.de>

[ Upstream commit 6ccc84f917d33312eb2846bd7b567639f585ad6d ]

No point in open coding it. This way it gains the extra sanity checks.

Signed-off-by: default avatarThomas Gleixner <tglx@linutronix.de>
Acked-by: default avatarPeter Zijlstra (Intel) <peterz@infradead.org>
Cc: stable@vger.kernel.org
Signed-off-by: default avatarLee Jones <lee.jones@linaro.org>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 42255927

kernel/futex.c

+1 −4
Original line number Diff line number Diff line
@@ -874,10 +874,7 @@ static void free_pi_state(struct futex_pi_state *pi_state) 
	 * and has cleaned up the pi_state already

	 */

	if (pi_state->owner) {

		raw_spin_lock_irq(&pi_state->owner->pi_lock);

		list_del_init(&pi_state->list);

		raw_spin_unlock_irq(&pi_state->owner->pi_lock);



		pi_state_update_owner(pi_state, NULL);

		rt_mutex_proxy_unlock(&pi_state->pi_mutex);

	}