From: Konrad Lipinski <konrad.l@samsung.com>
Date: Wed, 12 Oct 2016 10:54:15 +0000 (+0200)
Subject: kdbus: cmdline emptiness check fix
X-Git-Tag: submit/tizen/20161216.052309~115
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=ea4654706ad61bc7afc47e6321c5cbee8c175688;p=platform%2Fkernel%2Flinux-exynos.git

kdbus: cmdline emptiness check fix

Change-Id: Ia925fa43bf4c50ab707be98f275b50808782f063
---

diff --git a/ipc/kdbus/metadata.c b/ipc/kdbus/metadata.c
index 3adc6c2c2e76..501bebda7d84 100644
--- a/ipc/kdbus/metadata.c
+++ b/ipc/kdbus/metadata.c
@@ -311,7 +311,7 @@ static int kdbus_meta_proc_collect_cmdline(struct kdbus_meta_proc *mp)
 	if (!mm)
 		return 0;
 
-	if (!mm->arg_end) {
+	if (mm->arg_start >= mm->arg_end) {
 		mmput(mm);
 		return 0;
 	}