summaryrefslogtreecommitdiff
path: root/kernel/time/posix-cpu-timers.c
diff options
context:
space:
mode:
authorMauro Carvalho Chehab <mchehab+huawei@kernel.org>2021-08-05 16:28:43 +0200
committerMauro Carvalho Chehab <mchehab+huawei@kernel.org>2021-08-05 16:28:43 +0200
commit9c3a0f285248899dfa81585bc5d5bc9ebdb8fead (patch)
tree908decd51fbb0e1c774444b002e3b89dee3fae26 /kernel/time/posix-cpu-timers.c
parentbfee75f73c37a2f46a6326eaa06f5db701f76f01 (diff)
parentc500bee1c5b2f1d59b1081ac879d73268ab0ff17 (diff)
Merge tag 'v5.14-rc4' into media_tree
Linux 5.14-rc4 * tag 'v5.14-rc4': (948 commits) Linux 5.14-rc4 pipe: make pipe writes always wake up readers Revert "perf map: Fix dso->nsinfo refcounting" mm/memcg: fix NULL pointer dereference in memcg_slab_free_hook() slub: fix unreclaimable slab stat for bulk free mm/migrate: fix NR_ISOLATED corruption on 64-bit mm: memcontrol: fix blocking rstat function called from atomic cgroup1 thresholding code ocfs2: issue zeroout to EOF blocks ocfs2: fix zero out valid data lib/test_string.c: move string selftest in the Runtime Testing menu gve: Update MAINTAINERS list arch: Kconfig: clean up obsolete use of HAVE_IDE can: esd_usb2: fix memory leak can: ems_usb: fix memory leak can: usb_8dev: fix memory leak can: mcba_usb_start(): add missing urb->transfer_dma initialization can: hi311x: fix a signedness bug in hi3110_cmd() MAINTAINERS: add Yasushi SHOJI as reviewer for the Microchip CAN BUS Analyzer Tool driver scsi: fas216: Fix fall-through warning for Clang scsi: acornscsi: Fix fall-through warning for clang ...
Diffstat (limited to 'kernel/time/posix-cpu-timers.c')
-rw-r--r--kernel/time/posix-cpu-timers.c10
1 files changed, 5 insertions, 5 deletions
diff --git a/kernel/time/posix-cpu-timers.c b/kernel/time/posix-cpu-timers.c
index 29a5e54e6e10..517be7fd175e 100644
--- a/kernel/time/posix-cpu-timers.c
+++ b/kernel/time/posix-cpu-timers.c
@@ -991,6 +991,11 @@ static void posix_cpu_timer_rearm(struct k_itimer *timer)
if (!p)
goto out;
+ /* Protect timer list r/w in arm_timer() */
+ sighand = lock_task_sighand(p, &flags);
+ if (unlikely(sighand == NULL))
+ goto out;
+
/*
* Fetch the current sample and update the timer's expiry time.
*/
@@ -1001,11 +1006,6 @@ static void posix_cpu_timer_rearm(struct k_itimer *timer)
bump_cpu_timer(timer, now);
- /* Protect timer list r/w in arm_timer() */
- sighand = lock_task_sighand(p, &flags);
- if (unlikely(sighand == NULL))
- goto out;
-
/*
* Now re-arm for the new expiry time.
*/