NFC: Remove unneeded pn533 dev NULL check
authorDan Carpenter <dan.carpenter@oracle.com>
Mon, 7 May 2012 10:31:18 +0000 (12:31 +0200)
committerJohn W. Linville <linville@tuxdriver.com>
Tue, 15 May 2012 21:28:01 +0000 (17:28 -0400)
commit0f909361062d42b0ff7c6522e2347b56a0bf43cc
treeb9ff8df94a1a9ed5c894336bdd6ecac87779f68e
parenta202abb1ee98ee28faaca460bbbf684d05e94310
NFC: Remove unneeded pn533 dev NULL check

container_of() works by subtracting the offset of the member.  The math
can't really return a zero here.  Sometimes people check it when they
actually meant to check something else but in this case we can just
remove the check.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
drivers/nfc/pn533.c