staging: erofs: add two missing erofs_workgroup_put for corrupted images
authorGao Xiang <gaoxiang25@huawei.com>
Mon, 19 Aug 2019 10:34:23 +0000 (18:34 +0800)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 21 Aug 2019 02:18:20 +0000 (19:18 -0700)
commit138e1a0990e80db486ab9f6c06bd5c01f9a97999
treead0c60da14aadcaa63f63f22e9aea4d12a2beb29
parent3407a4198faf01c9d7596c45b8606834b8dfc2b7
staging: erofs: add two missing erofs_workgroup_put for corrupted images

As reported by erofs-utils fuzzer, these error handling
path will be entered to handle corrupted images.

Lack of erofs_workgroup_puts will cause unmounting
unsuccessfully.

Fix these return values to EFSCORRUPTED as well.

Fixes: 3883a79abd02 ("staging: erofs: introduce VLE decompression support")
Cc: <stable@vger.kernel.org> # 4.19+
Signed-off-by: Gao Xiang <gaoxiang25@huawei.com>
Reviewed-by: Chao Yu <yuchao0@huawei.com>
Link: https://lore.kernel.org/r/20190819103426.87579-4-gaoxiang25@huawei.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/staging/erofs/zdata.c