UBIFS: fix return code

Fix to return -ENOMEM in the kmalloc() and d_make_root() error handling
case instead of 0, as done elsewhere in those functions.

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>

1 files changed, 6 insertions, 2 deletions

diff --git a/fs/ubifs/super.c b/fs/ubifs/super.c
index 879b9976c12b..01e1ad08d08e 100644
--- a/fs/ubifs/super.c
+++ b/fs/ubifs/super.c
@@ -1629,8 +1629,10 @@ static int ubifs_remount_rw(struct ubifs_info *c)
         }
 
         c->write_reserve_buf = kmalloc(COMPRESSED_DATA_NODE_BUF_SZ, GFP_KERNEL);
-        if (!c->write_reserve_buf)
+        if (!c->write_reserve_buf) {
+                err = -ENOMEM;
                 goto out;
+        }
 
         err = ubifs_lpt_init(c, 0, 1);
         if (err)
@@ -2063,8 +2065,10 @@ static int ubifs_fill_super(struct super_block *sb, void *data, int silent)
         }
 
         sb->s_root = d_make_root(root);
-        if (!sb->s_root)
+        if (!sb->s_root) {
+                err = -ENOMEM;
                 goto out_umount;
+        }
 
         mutex_unlock(&c->umount_mutex);
         return 0;