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| author | Thomas Gleixner <tglx@linutronix.de> | 2021-02-03 13:45:37 +0000 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-02-10 09:09:24 +0100 |
| commit | 7d455bb66ae87ea11af3630cb546d74c35fb6b7e (patch) | |
| tree | 946e2279d6765f7c1214ed2bfb460e6afeb6034c /kernel | |
| parent | 285b624ec7818a43b96568a45ed7844a78eccd97 (diff) | |
| download | linux-stable-7d455bb66ae87ea11af3630cb546d74c35fb6b7e.tar.gz linux-stable-7d455bb66ae87ea11af3630cb546d74c35fb6b7e.tar.bz2 linux-stable-7d455bb66ae87ea11af3630cb546d74c35fb6b7e.zip | |
futex: Use pi_state_update_owner() in put_pi_state()
[ Upstream commit 6ccc84f917d33312eb2846bd7b567639f585ad6d ]
No point in open coding it. This way it gains the extra sanity checks.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: stable@vger.kernel.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/futex.c | 5 |
1 files changed, 1 insertions, 4 deletions
diff --git a/kernel/futex.c b/kernel/futex.c index 40b9ba24bd9a..be5e3e927bff 100644 --- a/kernel/futex.c +++ b/kernel/futex.c @@ -879,10 +879,7 @@ static void put_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); } |