diff options
| author | VijayaKumar T M <vtmuni@codeaurora.org> | 2017-08-07 15:21:31 +0530 |
|---|---|---|
| committer | Gerrit - the friendly Code Review server <code-review@localhost> | 2017-08-18 04:22:43 -0700 |
| commit | 34972c3909f253d781da4f017c0bf7309fe2eeac (patch) | |
| tree | 581dc82c9edb58a0780489ae1335451fd9b4960f | |
| parent | a49bb61510b938152025049730fa922c5da950a1 (diff) | |
msm: sensor: Add mutex lock during ois power down operations
Protecting operations performed during ois powerdown
from race condition by adding mutex locks.
CRs-Fixed: 2081806
Change-Id: I27a735fd69d3e98fdd2ed48456336c560b6f3adc
Signed-off-by: VijayaKumar T M <vtmuni@codeaurora.org>
| -rw-r--r-- | drivers/media/platform/msm/camera_v2/sensor/ois/msm_ois.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/media/platform/msm/camera_v2/sensor/ois/msm_ois.c b/drivers/media/platform/msm/camera_v2/sensor/ois/msm_ois.c index 84266691f9b8..302a7b16bc26 100644 --- a/drivers/media/platform/msm/camera_v2/sensor/ois/msm_ois.c +++ b/drivers/media/platform/msm/camera_v2/sensor/ois/msm_ois.c @@ -615,11 +615,13 @@ static long msm_ois_subdev_ioctl(struct v4l2_subdev *sd, pr_err("o_ctrl->i2c_client.i2c_func_tbl NULL\n"); return -EINVAL; } + mutex_lock(o_ctrl->ois_mutex); rc = msm_ois_power_down(o_ctrl); if (rc < 0) { pr_err("%s:%d OIS Power down failed\n", __func__, __LINE__); } + mutex_unlock(o_ctrl->ois_mutex); return msm_ois_close(sd, NULL); default: return -ENOIOCTLCMD; |