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Commit 574a12b4 authored by Yajun Deng's avatar Yajun Deng Committed by Greg Kroah-Hartman
Browse files

netdevice: add the case if dev is NULL 



commit b37a466837393af72fe8bcb8f1436410f3f173f3 upstream.

Add the case if dev is NULL in dev_{put, hold}, so the caller doesn't
need to care whether dev is NULL or not.

Signed-off-by: default avatarYajun Deng <yajun.deng@linux.dev>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
Cc: Pavel Machek <pavel@denx.de>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 655a405a

include/linux/netdevice.h

+4 −2
Original line number Diff line number Diff line
@@ -3674,6 +3674,7 @@ void netdev_run_todo(void); 
 */

static inline void dev_put(struct net_device *dev)

{

	if (dev)

		this_cpu_dec(*dev->pcpu_refcnt);

}
@@ -3685,6 +3686,7 @@ static inline void dev_put(struct net_device *dev) 
 */

static inline void dev_hold(struct net_device *dev)

{

	if (dev)

		this_cpu_inc(*dev->pcpu_refcnt);

}