[SCSI] fcoe: precedence bug in fcoe_filter_frames()

Negate has higher precedence than bitwise AND.  FCPHF_CRC_UNCHECKED is
0x1 so the original code is equivalent to: if (!fr_flags(fp)) { ...

Signed-off-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Robert Love <robert.w.love@intel.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>

drivers/scsi/fcoe/fcoe.c

@@ -1548,7 +1548,7 @@ static inline int fcoe_filter_frames(struct fc_lport *lport,
 		return -EINVAL;
 	}
 
-	if (!fr_flags(fp) & FCPHF_CRC_UNCHECKED ||
+	if (!(fr_flags(fp) & FCPHF_CRC_UNCHECKED) ||
 	    le32_to_cpu(fr_crc(fp)) == ~crc32(~0, skb->data, skb->len)) {
 		fr_flags(fp) &= ~FCPHF_CRC_UNCHECKED;
 		return 0;