[PATCH v2 06/20] rpmsg: glink: Return -EAGAIN when there is no FIFO space

[Sricharan R]

The TX FIFO can be full, if the remote client has
not read enough data (or) reading it slowly. So its
nessecary to return -EAGAIN to the local client to
enable retry.

Signed-off-by: Sricharan R <sricha...@codeaurora.org>
---
 drivers/rpmsg/qcom_glink_native.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/rpmsg/qcom_glink_native.c 
b/drivers/rpmsg/qcom_glink_native.c
index a6394cd..94b79e8 100644
--- a/drivers/rpmsg/qcom_glink_native.c
+++ b/drivers/rpmsg/qcom_glink_native.c
@@ -233,7 +233,7 @@ static int qcom_glink_tx(struct qcom_glink *glink,
 
        while (qcom_glink_tx_avail(glink) < tlen) {
                if (!wait) {
-                       ret = -ENOMEM;
+                       ret = -EAGAIN;
                        goto out;
                }
 
-- 
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