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rpmsg: glink: Use complete_all for open states

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[ Upstream commit 4fcdaf6e28d11e2f3820d54dd23cd12a47ddd44e ]

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]>
Signed-off-by: Deepak Kumar Singh <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Bjorn Andersson <[email protected]>
Signed-off-by: Sasha Levin <[email protected]>
This commit is contained in:
Chris Lew 2020-06-24 22:15:18 +05:30 • committed by Greg Kroah-Hartman
commit f66125e1c4
1 changed files with 3 additions and 3 deletions
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6
drivers/rpmsg/qcom_glink_native.c
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@ -970,7 +970,7 @@ 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;
}
@ -1178,7 +1178,7 @@ static int qcom_glink_announce_create(struct rpmsg_device *rpdev)
__be32 *val = defaults;
int size;
if (glink->intentless)
if (glink->intentless || !completion_done(&channel->open_ack))
return 0;
prop = of_find_property(np, "qcom,intents", NULL);
@ -1413,7 +1413,7 @@ 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);