[PATCH 4.9 16/28] net/iucv: Free memory obtained by kzalloc

From: Greg Kroah-Hartman
Date: Thu Mar 29 2018 - 14:20:18 EST


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

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

From: Arvind Yadav <arvind.yadav.cs@xxxxxxxxx>


[ Upstream commit fa6a91e9b907231d2e38ea5ed89c537b3525df3d ]

Free memory by calling put_device(), if afiucv_iucv_init is not
successful.

Signed-off-by: Arvind Yadav <arvind.yadav.cs@xxxxxxxxx>
Reviewed-by: Cornelia Huck <cohuck@xxxxxxxxxx>
Signed-off-by: Ursula Braun <ursula.braun@xxxxxxxxxx>
Signed-off-by: Julian Wiedmann <jwi@xxxxxxxxxxxxxxxxxx>
Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
net/iucv/af_iucv.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)

--- a/net/iucv/af_iucv.c
+++ b/net/iucv/af_iucv.c
@@ -2418,9 +2418,11 @@ static int afiucv_iucv_init(void)
af_iucv_dev->driver = &af_iucv_driver;
err = device_register(af_iucv_dev);
if (err)
- goto out_driver;
+ goto out_iucv_dev;
return 0;

+out_iucv_dev:
+ put_device(af_iucv_dev);
out_driver:
driver_unregister(&af_iucv_driver);
out_iucv: