diff options
| author | Tetsuo Handa <penguin-kernel@i-love.sakura.ne.jp> | 2012-03-14 18:27:49 +0900 |
|---|---|---|
| committer | James Morris <james.l.morris@oracle.com> | 2012-03-15 12:29:18 +1100 |
| commit | 6041e8346f2165679c2184cab60db768d6a26a1d (patch) | |
| tree | 2c4eb032eb851f240c1b70d1afb214a2c661b886 /security/tomoyo/securityfs_if.c | |
| parent | f67dabbdde1fe112dfff05d02890f1e0d54117a8 (diff) | |
TOMOYO: Return appropriate value to poll().
"struct file_operations"->poll() expects "unsigned int" return value.
All files in /sys/kernel/security/tomoyo/ directory other than
/sys/kernel/security/tomoyo/query and /sys/kernel/security/tomoyo/audit should
return POLLIN | POLLRDNORM | POLLOUT | POLLWRNORM rather than -ENOSYS.
Also, /sys/kernel/security/tomoyo/query and /sys/kernel/security/tomoyo/audit
should return POLLOUT | POLLWRNORM rather than 0 when there is no data to read.
Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Signed-off-by: James Morris <james.l.morris@oracle.com>
Diffstat (limited to 'security/tomoyo/securityfs_if.c')
| -rw-r--r-- | security/tomoyo/securityfs_if.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/security/tomoyo/securityfs_if.c b/security/tomoyo/securityfs_if.c index 482b2a5f48f0..8592f2fc6ebb 100644 --- a/security/tomoyo/securityfs_if.c +++ b/security/tomoyo/securityfs_if.c @@ -157,9 +157,10 @@ static int tomoyo_release(struct inode *inode, struct file *file) * tomoyo_poll - poll() for /sys/kernel/security/tomoyo/ interface. * * @file: Pointer to "struct file". - * @wait: Pointer to "poll_table". + * @wait: Pointer to "poll_table". Maybe NULL. * - * Returns 0 on success, negative value otherwise. + * Returns POLLIN | POLLRDNORM | POLLOUT | POLLWRNORM if ready to read/write, + * POLLOUT | POLLWRNORM otherwise. */ static unsigned int tomoyo_poll(struct file *file, poll_table *wait) { |