tools: env: Fix missing closedir in ubi_get_volnum_by_name

The function calls opendir() but missing the corresponding
closedir() before exit the function.
Add missing closedir() to fix it.

Signed-off-by: Miaoqian Lin <linmq006@gmail.com>

diff --git a/tools/env/fw_env.c b/tools/env/fw_env.c
index 908a162..c251e2e 100644 (file)
--- a/tools/env/fw_env.c
+++ b/tools/env/fw_env.c
@@ -192,10 +192,13 @@ static int ubi_get_volnum_by_name(int devnum, const char *volname)
                             &tmp_devnum, &volnum);
                if (ret == 2 && devnum == tmp_devnum) {
                        if (ubi_check_volume_sysfs_name(dirent->d_name,
-                                                       volname) == 0)
+                                                       volname) == 0) {
+                               closedir(sysfs_ubi);
                                return volnum;
+                       }
                }
        }
+       closedir(sysfs_ubi);
 
        return -1;
 }