Commit c3e2a8e6 authored Oct 09, 2007 by Jiri Slaby Committed by Mauro Carvalho Chehab Oct 10, 2007

V4L/DVB (6308): V4L: zc0301, remove bad usage of ERESTARTSYS



zc0301, remove bad usage of ERESTARTSYS

down_read_trylock can't be interrupted and so ERESTARTSYS would reach
userspace, which is not permitted. Change it to EAGAIN

Signed-off-by: Jiri Slaby <jirislaby@gmail.com>
Acked-by: Luca Risolia <luca.risolia@studio.unibo.it>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>

parent 3abff557

drivers/media/video/zc0301/zc0301_core.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -655,7 +655,7 @@ static int zc0301_open(struct inode* inode, struct file* filp)
		int err = 0;

		if (!down_read_trylock(&zc0301_dev_lock))
		return -ERESTARTSYS;
		return -EAGAIN;

		cam = video_get_drvdata(video_devdata(filp));

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