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| author | Siluxsept <ronny.horn.rh@gmail.com> | 2024-02-06 04:37:40 +0100 |
|---|---|---|
| committer | Siluxsept <ronny.horn.rh@gmail.com> | 2024-02-06 04:38:56 +0100 |
| commit | 8e8137ac800bdc27181743ec73d0e90e28b4e8af (patch) | |
| tree | 7e2fbc9d9e305e46414c21d08eeaeb1d56ccb0f0 /ipc/sem.c | |
| parent | 9c2f9bfc860f0cd6f2d3320b5f72a0f4adf24b25 (diff) | |
merge branch lineage-20 into t13.0t13.0
https: //github.com/LineageOS/android_kernel_google_redbull
Change-Id: I4a450eb794cc99abf711ad3b5b82946092be84ba
Diffstat (limited to 'ipc/sem.c')
| -rw-r--r-- | ipc/sem.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/ipc/sem.c b/ipc/sem.c index 2bf535dd0b93..cc6af85d1b15 100644 --- a/ipc/sem.c +++ b/ipc/sem.c @@ -2148,6 +2148,7 @@ static long do_semtimedop(int semid, struct sembuf __user *tsops, * scenarios where we were awakened externally, during the * window between wake_q_add() and wake_up_q(). */ + rcu_read_lock(); error = READ_ONCE(queue.status); if (error != -EINTR) { /* @@ -2157,10 +2158,10 @@ static long do_semtimedop(int semid, struct sembuf __user *tsops, * overwritten by the previous owner of the semaphore. */ smp_mb(); + rcu_read_unlock(); goto out_free; } - rcu_read_lock(); locknum = sem_lock(sma, sops, nsops); if (!ipc_valid_object(&sma->sem_perm)) |