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net: qrtr: mhi_dev: unblock any tx on mhi disconnect

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If host is not using qrtr channel, Tx on device may block for
availabilty of tre. If we try to unregister qrtr endpoint at
the same time it will block for endpoint lock held in Tx path.

Unblock any Tx before calling qrtr endpoint unregister.

Change-Id: I59b1a68fd2279ba6bc472a3a532102e82f094175
Signed-off-by: Deepak Kumar Singh <deesin@codeaurora.org>
This commit is contained in:
Deepak Kumar Singh 2021-09-03 11:54:32 +05:30
parent 528dad421a
commit ffa9b7ab83
1 changed files with 4 additions and 0 deletions
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4
net/qrtr/mhi_dev.c
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@ -189,6 +189,10 @@ static void qrtr_mhi_dev_state_cb(struct mhi_dev_client_cb_data *cb_data)
}
break;
case MHI_STATE_DISCONNECTED:
mutex_lock(&qep->out_lock);
complete_all(&qep->out_tre);
mutex_unlock(&qep->out_lock);
qrtr_endpoint_unregister(&qep->ep);
qrtr_mhi_dev_close_channels(qep);
break;