isofs: release buffer head before return
authorPan Bian <bianpan2016@163.com>
Mon, 18 Jan 2021 12:04:55 +0000 (04:04 -0800)
committerJan Kara <jack@suse.cz>
Mon, 25 Jan 2021 16:57:38 +0000 (17:57 +0100)
commit0a6dc67a6aa45f19bd4ff89b4f468fc50c4b8daa
treeb8095213185363a9af692eb5ff78ee0f468704a4
parenta4db1072e1a3bd7a8d9c356e1902b13ac5deb8ef
isofs: release buffer head before return

Release the buffer_head before returning error code in
do_isofs_readdir() and isofs_find_entry().

Fixes: 2deb1acc653c ("isofs: fix access to unallocated memory when reading corrupted filesystem")
Link: https://lore.kernel.org/r/20210118120455.118955-1-bianpan2016@163.com
Signed-off-by: Pan Bian <bianpan2016@163.com>
Signed-off-by: Jan Kara <jack@suse.cz>
fs/isofs/dir.c
fs/isofs/namei.c