From: Roel Kluin <roel.kluin@gmail.com>
Date: Fri, 22 May 2009 11:04:53 +0000 (+0000)
Subject: mISDN: get_free_devid() failure ignored
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=ddacd14e8db9b9c4434d00545f6483fe01f02991;p=openwrt%2Fstaging%2Fblogic.git

mISDN: get_free_devid() failure ignored

dev->id is unsigned so a get_free_devid() error is ignored.

Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Karsten Keil <keil@b1-systems.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/drivers/isdn/mISDN/core.c b/drivers/isdn/mISDN/core.c
index 9426c9827e47..21d34be5af6a 100644
--- a/drivers/isdn/mISDN/core.c
+++ b/drivers/isdn/mISDN/core.c
@@ -214,7 +214,7 @@ get_free_devid(void)
 		if (!test_and_set_bit(i, (u_long *)&device_ids))
 			break;
 	if (i > MAX_DEVICE_ID)
-		return -1;
+		return -EBUSY;
 	return i;
 }
 
@@ -224,10 +224,10 @@ mISDN_register_device(struct mISDNdevice *dev,
 {
 	int	err;
 
-	dev->id = get_free_devid();
-	err = -EBUSY;
-	if (dev->id < 0)
+	err = get_free_devid();
+	if (err < 0)
 		goto error1;
+	dev->id = err;
 
 	device_initialize(&dev->dev);
 	if (name && name[0])