atm: idt77252: fix dev refcnt leak

init_card() calls dev_get_by_name() to get a network deceive. But it
doesn't decrease network device reference count after the device is
used.

Signed-off-by: Ying Xue <ying.xue@windriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/atm/idt77252.c b/drivers/atm/idt77252.c
index 272f00927761b1e34e5676ad018e0f72ef623b8c..1bdf104e90bb7f1924acf51f78caa39817d78efb 100644 (file)
--- a/drivers/atm/idt77252.c
+++ b/drivers/atm/idt77252.c
@@ -3511,7 +3511,7 @@ static int init_card(struct atm_dev *dev)
        tmp = dev_get_by_name(&init_net, tname);        /* jhs: was "tmp = dev_get(tname);" */
        if (tmp) {
                memcpy(card->atmdev->esi, tmp->dev_addr, 6);
-
+               dev_put(tmp);
                printk("%s: ESI %pM\n", card->name, card->atmdev->esi);
        }
        /*