rpmsg: glink: Unlock on error in qcom_glink_request_intent()

If qcom_glink_tx() fails, then we need to unlock before returning the
error code.

Fixes: 27b9c5b66b23 ("rpmsg: glink: Request for intents when unavailable")
Acked-by: Sricharan R <sricharan@codeaurora.org>
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>

diff --git a/drivers/rpmsg/qcom_glink_native.c b/drivers/rpmsg/qcom_glink_native.c
index 5a5e927..fecb1da 100644 (file)
--- a/drivers/rpmsg/qcom_glink_native.c
+++ b/drivers/rpmsg/qcom_glink_native.c
@@ -1197,7 +1197,7 @@ static int qcom_glink_request_intent(struct qcom_glink *glink,
 
        ret = qcom_glink_tx(glink, &cmd, sizeof(cmd), NULL, 0, true);
        if (ret)
-               return ret;
+               goto unlock;
 
        ret = wait_for_completion_timeout(&channel->intent_req_comp, 10 * HZ);
        if (!ret) {
@@ -1207,6 +1207,7 @@ static int qcom_glink_request_intent(struct qcom_glink *glink,
                ret = channel->intent_req_result ? 0 : -ECANCELED;
        }
 
+unlock:
        mutex_unlock(&channel->intent_req_lock);
        return ret;
 }