2019-11-22 10:06:50

by Arun Kumar Neelakantam

[permalink] [raw]
Subject: [PATCH V5 1/5] rpmsg: glink: Use complete_all for open states

From: Chris Lew <[email protected]>

The open_req and open_ack completion variables are the state variables
to represet a remote channel as open. Use complete_all so there are no
races with waiters and using completion_done.

Signed-off-by: Chris Lew <[email protected]>
Signed-off-by: Arun Kumar Neelakantam <[email protected]>
---
drivers/rpmsg/qcom_glink_native.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/rpmsg/qcom_glink_native.c b/drivers/rpmsg/qcom_glink_native.c
index 621f1af..609a150f 100644
--- a/drivers/rpmsg/qcom_glink_native.c
+++ b/drivers/rpmsg/qcom_glink_native.c
@@ -949,7 +949,7 @@ static int qcom_glink_rx_open_ack(struct qcom_glink *glink, unsigned int lcid)
return -EINVAL;
}

- complete(&channel->open_ack);
+ complete_all(&channel->open_ack);

return 0;
}
@@ -1393,7 +1393,7 @@ static int qcom_glink_rx_open(struct qcom_glink *glink, unsigned int rcid,
channel->rcid = ret;
spin_unlock_irqrestore(&glink->idr_lock, flags);

- complete(&channel->open_req);
+ complete_all(&channel->open_req);

if (create_device) {
rpdev = kzalloc(sizeof(*rpdev), GFP_KERNEL);
--
1.9.1