From: Colin King <redacted>
Date: Wed, 27 Mar 2013 18:25:04 +0000

From: Colin Ian King <redacted>

yam_open has a redundant null check on null,  it will
never be called with dev == NULL. Remove this redundant check.
This also cleans up a smatch warning:

drivers/net/hamradio/yam.c:869 yam_open() warn: variable
  dereferenced before check 'dev' (see line 867)

Signed-off-by: Colin Ian King <redacted>
Reviewed-by: Ben Hutchings <redacted>

Applied to net-next, thanks.