fs: cifs: transport: Use time_after for time comparison

Use time_after kernel macro for time comparison
that has safety check.
Signed-off-by: Karim Eshapa <karim.eshapa@gmail.com>
Signed-off-by: Steve French <smfrench@gmail.com>

fs/cifs/transport.c

@@ -94,7 +94,7 @@ DeleteMidQEntry(struct mid_q_entry *midEntry)
 	now = jiffies;
 	/* commands taking longer than one second are indications that
 	   something is wrong, unless it is quite a slow link or server */
-	if ((now - midEntry->when_alloc) > HZ) {
+	if (time_after(now, midEntry->when_alloc + HZ)) {
 		if ((cifsFYI & CIFS_TIMER) && (midEntry->command != command)) {
 			pr_debug(" CIFS slow rsp: cmd %d mid %llu",
 			       midEntry->command, midEntry->mid);