Add free() call for error handling.

I reviewed the libcgroup code in the viewpoint of memory-leak and
found a lack of free(). This patch adds a free() call for error
handling.

Signed-off-by: Ken'ichi Ohmichi <oomichi@mxs.nes.nec.co.jp>
Signed-off-by: Dhaval Giani <dhaval@linux.vnet.ibm.com>

1 files changed, 2 insertions, 2 deletions

diff --git a/src/api.c b/src/api.c
index d31cf4d..2d57351 100644
--- a/src/api.c
+++ b/src/api.c
@@ -590,8 +590,8 @@ int cgroup_init()
 		ret = ECGOTHER;
 		goto unlock_exit;
 	}
-	buf = fgets(buf, FILENAME_MAX, proc_cgroup);
-	if (!buf) {
+	if (!fgets(buf, FILENAME_MAX, proc_cgroup)) {
+		free(buf);
 		last_errno = errno;
 		ret = ECGOTHER;
 		goto unlock_exit;