From mboxrd@z Thu Jan 1 00:00:00 1970 From: Bjorn Andersson Subject: [PATCH] rpmsg: qcom_smd: Correct return value for O_NONBLOCK Date: Thu, 1 Dec 2016 16:59:55 -0800 Message-ID: <1480640395-19661-1-git-send-email-bjorn.andersson@linaro.org> Return-path: Received: from mail-pg0-f44.google.com ([74.125.83.44]:33515 "EHLO mail-pg0-f44.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752437AbcLBA77 (ORCPT ); Thu, 1 Dec 2016 19:59:59 -0500 Received: by mail-pg0-f44.google.com with SMTP id 3so100897378pgd.0 for ; Thu, 01 Dec 2016 16:59:59 -0800 (PST) Sender: linux-arm-msm-owner@vger.kernel.org List-Id: linux-arm-msm@vger.kernel.org To: Ohad Ben-Cohen , Bjorn Andersson Cc: linux-remoteproc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org qcom_smd_send() should return -EAGAIN for non-blocking channels with insufficient space, so that we can propagate this event to user space. Fixes: 53e2822e56c7 ("rpmsg: Introduce Qualcomm SMD backend") Signed-off-by: Bjorn Andersson --- drivers/rpmsg/qcom_smd.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/rpmsg/qcom_smd.c b/drivers/rpmsg/qcom_smd.c index 7552ef0e82ba..beaef5dd973e 100644 --- a/drivers/rpmsg/qcom_smd.c +++ b/drivers/rpmsg/qcom_smd.c @@ -742,7 +742,7 @@ static int __qcom_smd_send(struct qcom_smd_channel *channel, const void *data, while (qcom_smd_get_tx_avail(channel) < tlen) { if (!wait) { - ret = -ENOMEM; + ret = -EAGAIN; goto out; } -- 2.5.0