[PATCH 6/7] erofs-utils: mount: fix `RESOURCE_LEAK`

[Gao Xiang <hsiangkao@linux.alibaba.com>]

Coverity-id: 647246
Signed-off-by: Gao Xiang <hsiangkao@linux.alibaba.com>
---
 mount/main.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/mount/main.c b/mount/main.c
index ffe718a0a90f..ec27dcb53eb3 100644
--- a/mount/main.c
+++ b/mount/main.c
@@ -1698,8 +1698,11 @@ static int erofsmount_loopmount(const char *source, const char *mountpoint,
 		return -errno;
 
 	num = ioctl(fd, LOOP_CTL_GET_FREE);
-	if (num < 0)
-		return -errno;
+	if (num < 0) {
+		dfd = -errno;
+		close(fd);
+		return dfd;
+	}
 	close(fd);
 
 	snprintf(device, sizeof(device), "/dev/loop%d", num);
-- 
2.43.5