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>

diff --git a/drivers/nfc/pn533.c b/drivers/nfc/pn533.c
index 766e0bb..19110f0 100644 (file)
--- a/drivers/nfc/pn533.c
+++ b/drivers/nfc/pn533.c
@@ -394,9 +394,6 @@ static void pn533_wq_cmd_complete(struct work_struct *work)
        struct pn533_frame *in_frame;
        int rc;
 
-       if (dev == NULL)
-               return;
-
        in_frame = dev->wq_in_frame;
 
        if (dev->wq_in_error)