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| author | Dima Zavin <dima@android.com> | 2011-12-31 00:16:44 +0100 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2011-12-31 00:26:35 +0100 |
| commit | e90f869cae3b4aedf0f6d2ca8048d60245ee77f7 (patch) | |
| tree | 9afd751f1f9bdbd2623e065054aafc8cdfdb41eb /drivers/input/evdev.c | |
| parent | Input: evdev - only allow reading events if a full packet is present (diff) | |
| download | linux-e90f869cae3b4aedf0f6d2ca8048d60245ee77f7.tar.xz linux-e90f869cae3b4aedf0f6d2ca8048d60245ee77f7.zip | |
Input: evdev - if no events and non-block, return EAGAIN not 0
Signed-off-by: Dima Zavin <dima@android.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
Diffstat (limited to 'drivers/input/evdev.c')
| -rw-r--r-- | drivers/input/evdev.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/input/evdev.c b/drivers/input/evdev.c index 03344b3c7c15..a9d871651ce7 100644 --- a/drivers/input/evdev.c +++ b/drivers/input/evdev.c @@ -412,6 +412,9 @@ static ssize_t evdev_read(struct file *file, char __user *buffer, retval += input_event_size(); } + if (retval == 0 && (file->f_flags & O_NONBLOCK)) + return -EAGAIN; + return retval; } |