From mboxrd@z Thu Jan 1 00:00:00 1970 From: Dima Zavin Subject: [PATCH 2/3] input: evdev: if no events and non-block, return EAGAIN not 0 Date: Fri, 16 Dec 2011 10:07:05 -0800 Message-ID: <1324058826-12891-2-git-send-email-dima@android.com> References: <1324058826-12891-1-git-send-email-dima@android.com> Return-path: Received: from mail-ey0-f202.google.com ([209.85.215.202]:44829 "EHLO mail-ey0-f202.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1760342Ab1LPSHO (ORCPT ); Fri, 16 Dec 2011 13:07:14 -0500 Received: by eaad1 with SMTP id d1so96367eaa.1 for ; Fri, 16 Dec 2011 10:07:12 -0800 (PST) In-Reply-To: <1324058826-12891-1-git-send-email-dima@android.com> Sender: linux-input-owner@vger.kernel.org List-Id: linux-input@vger.kernel.org To: Dmitry Torokhov Cc: linux-input@vger.kernel.org, linux-kernel@vger.kernel.org, Dima Zavin , Jeff Brown Cc: Jeff Brown Signed-off-by: Dima Zavin --- 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; } -- 1.7.3.1