From: Nathan Straz <nstraz@redhat.com>
Date: Tue, 11 Dec 2012 22:01:24 +0000 (-0500)
Subject: GFS2: Initialize hex string to '0'
X-Git-Tag: v3.8-rc3~27^2~3
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=ec1487528bed94c4aaff3687834fe94203880fd6;p=profile%2Fivi%2Fkernel-x86-ivi.git

GFS2: Initialize hex string to '0'

When generating the DLM lock name, a value of 0 would skip
the loop and leave the string unchanged.  This left locks with
a value of 0 unlabeled.  Initializing the string to '0' fixes this.

Signed-off-by: Nathan Straz <nstraz@redhat.com>
Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
---

diff --git a/fs/gfs2/lock_dlm.c b/fs/gfs2/lock_dlm.c
index 8dad6b0..b906ed1 100644
--- a/fs/gfs2/lock_dlm.c
+++ b/fs/gfs2/lock_dlm.c
@@ -241,6 +241,7 @@ static u32 make_flags(struct gfs2_glock *gl, const unsigned int gfs_flags,
 
 static void gfs2_reverse_hex(char *c, u64 value)
 {
+	*c = '0';
 	while (value) {
 		*c-- = hex_asc[value & 0x0f];
 		value >>= 4;