From: Karim Eshapa <karim.eshapa@gmail.com>
Date: Thu, 11 May 2017 23:53:38 +0000 (+0200)
Subject: fs: cifs: transport: Use time_after for time comparison
X-Git-Tag: v4.14-rc1~895^2~1
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=4328fea77ca30ef6af938ae3f263a3d055a9c0e6;p=platform%2Fkernel%2Flinux-rpi.git

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>
---

diff --git a/fs/cifs/transport.c b/fs/cifs/transport.c
index de589d0..47a125e 100644
--- 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);