net/ncsi: Ensure 32-bit boundary for data cksum

The NCSI spec indicates that if the data does not end on a 32 bit
boundary, one to three padding bytes equal to 0x00 shall be present to
align the checksum field to a 32-bit boundary.

Signed-off-by: Terry S. Duncan <terry.s.duncan@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

net/ncsi/ncsi-cmd.c

@@ -54,7 +54,7 @@ static void ncsi_cmd_build_header(struct ncsi_pkt_hdr *h,
 	checksum = ncsi_calculate_checksum((unsigned char *)h,
 					   sizeof(*h) + nca->payload);
 	pchecksum = (__be32 *)((void *)h + sizeof(struct ncsi_pkt_hdr) +
-		    nca->payload);
+		    ALIGN(nca->payload, 4));
 	*pchecksum = htonl(checksum);
 }