From: Danny Al-Gaaf <danny.al-gaaf@bisect.de>
Date: Wed, 4 Jun 2014 21:10:42 +0000 (+0200)
Subject: test/librbd/fsx.c: fix gcc warning
X-Git-Tag: v0.83~134^2~6
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=f17a9633fc044b8b073f15ac2762b6c32a32d77e;p=ceph.git

test/librbd/fsx.c: fix gcc warning

Initialize pointer with NULL before call posix_memalign() to fix
gcc warning:

test/librbd/fsx.c:1402:13: warning: ‘temp_buf’ may be used
 uninitialized in this function [-Wmaybe-uninitialized]
  if ((ret = ops->read(&cur_ctx, 0, file_info.st_size, temp_buf)) < 0) {
             ^
test/librbd/fsx.c:1398:13: warning: ‘good_buf’ may be used
 uninitialized in this function [-Wmaybe-uninitialized]
  if ((ret = pread(fd, good_buf, file_info.st_size, 0)) < 0) {

Signed-off-by: Danny Al-Gaaf <danny.al-gaaf@bisect.de>
---

diff --git a/src/test/librbd/fsx.c b/src/test/librbd/fsx.c
index 20106e02c1c4..a8df394b271e 100644
--- a/src/test/librbd/fsx.c
+++ b/src/test/librbd/fsx.c
@@ -1381,6 +1381,7 @@ check_clone(int clonenum)
 		exit(169);
 	}
 
+	good_buf = NULL;
 	ret = posix_memalign((void **)&good_buf, MAX(writebdy, sizeof(void *)),
 			     file_info.st_size);
 	if (ret > 0) {
@@ -1388,6 +1389,7 @@ check_clone(int clonenum)
 		exit(96);
 	}
 
+	temp_buf = NULL;
 	ret = posix_memalign((void **)&temp_buf, MAX(readbdy, sizeof(void *)),
 			     file_info.st_size);
 	if (ret > 0) {