netdev - [patch] ser_gigaset: return -ENOMEM on error instead of success

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Message-ID: <20161207112203.GC5507@elgon.mountain>
Date:   Wed, 7 Dec 2016 14:22:03 +0300
From:   Dan Carpenter <dan.carpenter@...cle.com>
To:     Paul Bolle <pebolle@...cali.nl>, Tilman Schmidt <tilman@...p.cc>
Cc:     Karsten Keil <isdn@...ux-pingi.de>,
        "David S. Miller" <davem@...emloft.net>,
        gigaset307x-common@...ts.sourceforge.net, netdev@...r.kernel.org,
        kernel-janitors@...r.kernel.org
Subject: [patch] ser_gigaset: return -ENOMEM on error instead of success

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@...cle.com>
---
Ancient code.

diff --git a/drivers/isdn/gigaset/ser-gigaset.c b/drivers/isdn/gigaset/ser-gigaset.c
index d1f8ab915b15..b90776ef56ec 100644
--- a/drivers/isdn/gigaset/ser-gigaset.c
+++ b/drivers/isdn/gigaset/ser-gigaset.c
@@ -755,8 +755,10 @@ 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) {