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Commit d26a61fa authored by Rahul Sharma's avatar Rahul Sharma Committed by Gerrit - the friendly Code Review server
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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: I8a918dc306e639d50a896c8d77f8eb7a72fcb195
Signed-off-by: default avatarRahul Sharma <sharah@codeaurora.org>
parent 90076dbf

drivers/media/platform/msm/ais/sensor/ois/msm_ois.c

+2 −0
Original line number Diff line number Diff line
@@ -623,11 +623,13 @@ 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;