From fc458f5194860f69b961deb0380e65b5006a2138 Mon Sep 17 00:00:00 2001 From: Dima Zavin Date: Tue, 4 Oct 2011 22:31:48 -0700 Subject: input: evdev: if no events and non-block, return EAGAIN not 0 Change-Id: I5f0da721f74e5de111cffc7e7b375b72dd80e530 Signed-off-by: Dima Zavin --- drivers/input/evdev.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/input/evdev.c b/drivers/input/evdev.c index 13a741ae6045..10ae1c966a35 100644 --- a/drivers/input/evdev.c +++ b/drivers/input/evdev.c @@ -426,6 +426,8 @@ static ssize_t evdev_read(struct file *file, char __user *buffer, retval += input_event_size(); } + if (retval == 0 && file->f_flags & O_NONBLOCK) + retval = -EAGAIN; return retval; } -- cgit v1.2.3