From 3abff557d5eed7d6fd03aa11353a1c0f329cac2b Mon Sep 17 00:00:00 2001
From: Jiri Slaby <jirislaby@gmail.com>
Date: Tue, 9 Oct 2007 22:03:12 -0300
Subject: [PATCH] V4L/DVB (6307): V4L: w9968cf, remove bad usage of ERESTARTSYS

w9968cf, 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>
---
Reading git-format-patch failed