Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 6669dae7 authored by Linux Build Service Account's avatar Linux Build Service Account Committed by Gerrit - the friendly Code Review server
Browse files

Merge "msm: camera: Allow driver file to be opend only once."

parents a1e1d014 84f8c42e

drivers/media/platform/msm/camera_v2/msm.c

+1 −3
Original line number Diff line number Diff line
@@ -1015,11 +1015,9 @@ static int msm_open(struct file *filep) 
	BUG_ON(!pvdev);



	/* !!! only ONE open is allowed !!! */

	if (atomic_read(&pvdev->opened))

	if (atomic_cmpxchg(&pvdev->opened, 0, 1))

		return -EBUSY;



	atomic_set(&pvdev->opened, 1);



	spin_lock_irqsave(&msm_pid_lock, flags);

	msm_pid = get_pid(task_pid(current));

	spin_unlock_irqrestore(&msm_pid_lock, flags);