diff options
| author | Jan Kara <jack@suse.cz> | 2012-02-20 17:54:00 +0100 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2012-03-10 16:05:38 -0500 |
| commit | f6940fe9092e796119af691c7f722c252f4fc524 (patch) | |
| tree | 648da154cc48352b12982b4407e72121ceac9ecb /kernel | |
| parent | 978d6d8c4574098050b22281b9ed06818c0b23ca (diff) | |
| download | op-kernel-dev-f6940fe9092e796119af691c7f722c252f4fc524.zip op-kernel-dev-f6940fe9092e796119af691c7f722c252f4fc524.tar.gz | |
udf: Fix deadlock in udf_release_file()
udf_release_file() can be called from munmap() path with mmap_sem held. Thus
we cannot take i_mutex there because that ranks above mmap_sem. Luckily,
i_mutex is not needed in udf_release_file() anymore since protection by
i_data_sem is enough to protect from races with write and truncate.
Reported-by: Al Viro <viro@ZenIV.linux.org.uk>
Reviewed-by: Namjae Jeon <linkinjeon@gmail.com>
Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'kernel')
0 files changed, 0 insertions, 0 deletions
