commit dd49f30ca032464839085ec3a54dd9917829c891
author Douglas Schilling Landgraf <dougsland@gmail.com> Sun Jan 27 14:29:51 2008 -0300
committer Mauro Carvalho Chehab <mchehab@infradead.org> Mon Feb 18 11:14:59 2008 -0300
tree b2ea8b10b282f5579dcb3f29264cd7b5caba141c
parent 0e3301ec23000ffbbe28771eb79628856a9a2f84

V4L/DVB (7092): radio-sf16fmr2: fix request_region() validation [bugzilla 9699]

This patch changed the request_region() validation to avoid invalid return.
Thanks to Roland Kletzing <devzero@web.de> for bug report and data collection.

Signed-off-by: Douglas Schilling Landgraf <dougsland@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>

drivers/media/radio/radio-sf16fmr2.c

diff --git a/drivers/media/radio/radio-sf16fmr2.c b/drivers/media/radio/radio-sf16fmr2.c
index f7c8b00..ebc5fbbc 100644
--- a/drivers/media/radio/radio-sf16fmr2.c
+++ b/drivers/media/radio/radio-sf16fmr2.c
@@ -470,9 +470,8 @@
 
 	mutex_init(&lock);
 
-	if (request_region(io, 2, "sf16fmr2"))
-	{
-		printk(KERN_ERR "fmr2: port 0x%x already in use\n", io);
+	if (!request_region(io, 2, "sf16fmr2")) {
+		printk(KERN_ERR "radio-sf16fmr2: request_region failed!\n");
 		return -EBUSY;
 	}