diff mbox

rpmsg: qcom_smd: Correct return value for O_NONBLOCK

Message ID 1480640395-19661-1-git-send-email-bjorn.andersson@linaro.org
State Accepted
Commit 1d74e7ed5dc1903ac081574a9b6aa94e7ba4ad45
Headers show

Commit Message

Bjorn Andersson Dec. 2, 2016, 12:59 a.m. UTC 
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(-)

-- 
2.5.0

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diff mbox

Patch

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;
 		}