[PATCH 2/3] input: evdev: if no events and non-block, return EAGAIN not 0
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DORMANTno replies
From: Dima Zavin <hidden>
Date: 2011-12-16 18:07:34
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Subsystem:
input (keyboard, mouse, joystick, touchscreen) drivers, the rest · Maintainers:
Dmitry Torokhov, Linus Torvalds
Cc: Jeff Brown <redacted> Signed-off-by: Dima Zavin <redacted> --- drivers/input/evdev.c | 2 ++ 1 files changed, 2 insertions(+), 0 deletions(-)
diff --git a/drivers/input/evdev.c b/drivers/input/evdev.c
index 03344b3..2e563af 100644
--- a/drivers/input/evdev.c
+++ b/drivers/input/evdev.c@@ -412,6 +412,8 @@ 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; }
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1.7.3.1