From: Hussam Al-Tayeb <ht990332@gmail.com>
Date: Mon, 21 Feb 2011 18:20:26 +0000 (-0300)
Subject: [media] rc_core: avoid kernel oops when rmmod saa7134
X-Git-Tag: latest~1^2~7
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=88fda5619e6cd7988dc1d9a52f2da9ee8fd0e64d;p=profile%2Fivi%2Fkernel-adaptation-intel-automotive.git

[media] rc_core: avoid kernel oops when rmmod saa7134

The following is a patch to avoid a kernel oops when running rmmod
saa7134 on kernel 2.6.27.1. The change is as suggested by mchehab on
irc.freenode.org

Signed-off-by: Hussam Al-Tayeb <ht990332@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---

diff --git a/drivers/media/rc/rc-main.c b/drivers/media/rc/rc-main.c
index 9f0a2d9..33afd98 100644
--- a/drivers/media/rc/rc-main.c
+++ b/drivers/media/rc/rc-main.c
@@ -707,7 +707,8 @@ static void ir_close(struct input_dev *idev)
 {
 	struct rc_dev *rdev = input_get_drvdata(idev);
 
-	rdev->close(rdev);
+	 if (rdev)
+		rdev->close(rdev);
 }
 
 /* class for /sys/class/rc */