romfs: fix returm err while getting inode in fill_super

Getting an inode by romfs_iget may lead to an err in fill_super, and the
err value should be return.

And it should return -ENOMEM instead while d_make_root fails, fix it too.

Signed-off-by: Rui Xiang <rui.xiang@huawei.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/fs/romfs/super.c b/fs/romfs/super.c
index ff1d3d4..d841878 100644 (file)
--- a/fs/romfs/super.c
+++ b/fs/romfs/super.c
@@ -533,16 +533,14 @@ static int romfs_fill_super(struct super_block *sb, void *data, int silent)
 
        root = romfs_iget(sb, pos);
        if (IS_ERR(root))
-               goto error;
+               return PTR_ERR(root);
 
        sb->s_root = d_make_root(root);
        if (!sb->s_root)
-               goto error;
+               return -ENOMEM;
 
        return 0;
 
-error:
-       return -EINVAL;
 error_rsb_inval:
        ret = -EINVAL;
 error_rsb: