4.4-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Dan Carpenter <dan.carpen...@oracle.com>


[ Upstream commit 93a97c50cbf1c007caf12db5cc23e0d5b9c8473c ]

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.carpen...@oracle.com>
Signed-off-by: David S. Miller <da...@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gre...@linuxfoundation.org>
---
 drivers/isdn/gigaset/ser-gigaset.c |    4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

--- a/drivers/isdn/gigaset/ser-gigaset.c
+++ b/drivers/isdn/gigaset/ser-gigaset.c
@@ -762,8 +762,10 @@ 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) {


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