4.4-stable review patch. If anyone has any objections, please let me know.
------------------
From: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
[ 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.carpenter@xxxxxxxxxx>
Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
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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