From 1d74e7ed5dc1903ac081574a9b6aa94e7ba4ad45 Mon Sep 17 00:00:00 2001 From: Bjorn Andersson Date: Thu, 1 Dec 2016 16:59:55 -0800 Subject: [PATCH] rpmsg: qcom_smd: Correct return value for O_NONBLOCK 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 92efa74a0024..d003aa832f22 100644 --- a/drivers/rpmsg/qcom_smd.c +++ b/drivers/rpmsg/qcom_smd.c @@ -739,7 +739,7 @@ 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; } -- 2.39.5