* [PATCH] rpmsg: qcom_smd: Correct return value for O_NONBLOCK
@ 2016-12-02 0:59 Bjorn Andersson
0 siblings, 0 replies; only message in thread
From: Bjorn Andersson @ 2016-12-02 0:59 UTC (permalink / raw)
To: Ohad Ben-Cohen, Bjorn Andersson
Cc: linux-remoteproc, linux-kernel, linux-arm-msm
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 <bjorn.andersson@linaro.org>
---
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
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