f2fs: fix to trigger fsck if dirent.name_len is zero
authorChao Yu <yuchao0@huawei.com>
Tue, 8 Jan 2019 02:21:24 +0000 (10:21 +0800)
committerJaegeuk Kim <jaegeuk@kernel.org>
Tue, 22 Jan 2019 23:31:25 +0000 (15:31 -0800)
commitddf06b753a8573eb0323d91efeaffe397f7b673d
tree10fffee6d58a376cbb2c0f641746fdd0bae42e92
parentc20e57b32d817d35271c4b205cb6ab80d8d93aeb
f2fs: fix to trigger fsck if dirent.name_len is zero

While traversing dirents in f2fs_fill_dentries(), if bitmap is valid,
filename length should not be zero, otherwise, directory structure
consistency could be corrupted, in this case, let's print related
info and set SBI_NEED_FSCK to trigger fsck for repairing.

Signed-off-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
fs/f2fs/dir.c