From: Dan Carpenter <dan.carpenter@oracle.com>
Date: Wed, 7 Dec 2016 11:22:03 +0000 (+0300)
Subject: ser_gigaset: return -ENOMEM on error instead of success
X-Git-Tag: v3.2.85~25
X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?p=pandora-kernel.git;a=commitdiff_plain;h=3dd88dcffc0d94a6ddf4872e54e90af446186b36;ds=inline

ser_gigaset: return -ENOMEM on error instead of success

commit 93a97c50cbf1c007caf12db5cc23e0d5b9c8473c upstream.

If we can't allocate the resources in gigaset_initdriver() then we
should return -ENOMEM instead of zero.

Fixes: 2869b23e4b95 ("[PATCH] drivers/isdn/gigaset: new M101 driver (v2)")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
[bwh: Backported to 3.2: adjust context]
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
---

diff --git a/drivers/isdn/gigaset/ser-gigaset.c b/drivers/isdn/gigaset/ser-gigaset.c
index cf3c1d483cc9..92846da1df08 100644
--- a/drivers/isdn/gigaset/ser-gigaset.c
+++ b/drivers/isdn/gigaset/ser-gigaset.c
@@ -779,8 +779,10 @@ static int __init ser_gigaset_init(void)
 	driver = gigaset_initdriver(GIGASET_MINOR, GIGASET_MINORS,
 					  GIGASET_MODULENAME, GIGASET_DEVNAME,
 					  &ops, THIS_MODULE);
-	if (!driver)
+	if (!driver) {
+		rc = -ENOMEM;
 		goto error;
+	}
 
 	rc = tty_register_ldisc(N_GIGASET_M101, &gigaset_ldisc);
 	if (rc != 0) {