fs/gfs2/sys.c: use %pUB to print UUIDs

Signed-off-by: Joe Perches <joe@perches.com>
Cc: Steven Whitehouse <swhiteho@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 3 insertions, 13 deletions

diff --git a/fs/gfs2/sys.c b/fs/gfs2/sys.c
index c5dad1eb7b91..0dc34621f6a6 100644
--- a/fs/gfs2/sys.c
+++ b/fs/gfs2/sys.c
@@ -85,11 +85,7 @@ static ssize_t uuid_show(struct gfs2_sbd *sdp, char *buf)
         buf[0] = '\0';
         if (!gfs2_uuid_valid(uuid))
                 return 0;
-        return snprintf(buf, PAGE_SIZE, "%02X%02X%02X%02X-%02X%02X-"
-                        "%02X%02X-%02X%02X-%02X%02X%02X%02X%02X%02X\n",
-                        uuid[0], uuid[1], uuid[2], uuid[3], uuid[4], uuid[5],
-                        uuid[6], uuid[7], uuid[8], uuid[9], uuid[10], uuid[11],
-                        uuid[12], uuid[13], uuid[14], uuid[15]);
+        return snprintf(buf, PAGE_SIZE, "%pUB\n", uuid);
 }
 
 static ssize_t freeze_show(struct gfs2_sbd *sdp, char *buf)
@@ -575,14 +571,8 @@ static int gfs2_uevent(struct kset *kset, struct kobject *kobj,
         add_uevent_var(env, "LOCKPROTO=%s", sdp->sd_proto_name);
         if (!sdp->sd_args.ar_spectator)
                 add_uevent_var(env, "JOURNALID=%u", sdp->sd_lockstruct.ls_jid);
-        if (gfs2_uuid_valid(uuid)) {
-                add_uevent_var(env, "UUID=%02X%02X%02X%02X-%02X%02X-%02X%02X-"
-                               "%02X%02X-%02X%02X%02X%02X%02X%02X",
-                               uuid[0], uuid[1], uuid[2], uuid[3], uuid[4],
-                               uuid[5], uuid[6], uuid[7], uuid[8], uuid[9],
-                               uuid[10], uuid[11], uuid[12], uuid[13],
-                               uuid[14], uuid[15]);
-        }
+        if (gfs2_uuid_valid(uuid))
+                add_uevent_var(env, "UUID=%pUB", uuid);
         return 0;
 }