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 <[email protected]> Signed-off-by: Steve French <[email protected]>
olifre · May 13, 2017 · 4328fea · 4328fea
1 parent cd12300
commit 4328fea
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/fs/cifs/transport.c b/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);