This is a callback registered to inet address notifiers chains.
The check is useless as:
- ifa->ifa_dev is always != NULL
- similar checks are abscent in all other notifiers.

Signed-off-by: Denis V. Lunev <den@openvz.org>
---
 net/atm/clip.c |    4 ----
 1 files changed, 0 insertions(+), 4 deletions(-)

diff --git a/net/atm/clip.c b/net/atm/clip.c
index 86b885e..dd96440 100644
--- a/net/atm/clip.c
+++ b/net/atm/clip.c
@@ -648,10 +648,6 @@ static int clip_inet_event(struct notifier_block *this, unsigned long event,
 	struct in_device *in_dev;
 
 	in_dev = ((struct in_ifaddr *)ifa)->ifa_dev;
-	if (!in_dev || !in_dev->dev) {
-		printk(KERN_WARNING "clip_inet_event: no device\n");
-		return NOTIFY_DONE;
-	}
 	/*
 	 * Transitions are of the down-change-up type, so it's sufficient to
 	 * handle the change on up.
-- 
1.5.3.rc5