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Commit 0faf6a3b authored by Alexander Usyskin's avatar Alexander Usyskin Committed by Greg Kroah-Hartman
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mei: wake blocked write on link reset 



In case of link reset all blocked writes should be interrupted.
Note, that currently blocking write is used only through bus layer.

Signed-off-by: default avatarAlexander Usyskin <alexander.usyskin@intel.com>
Signed-off-by: default avatarTomas Winkler <tomas.winkler@intel.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent e8466b33

drivers/misc/mei/client.c

+6 −1
Original line number Diff line number Diff line
@@ -1691,7 +1691,8 @@ int mei_cl_write(struct mei_cl *cl, struct mei_cl_cb *cb, bool blocking) 


		mutex_unlock(&dev->device_lock);

		rets = wait_event_interruptible(cl->tx_wait,

				cl->writing_state == MEI_WRITE_COMPLETE);

				cl->writing_state == MEI_WRITE_COMPLETE ||

				(!mei_cl_is_connected(cl)));

		mutex_lock(&dev->device_lock);

		/* wait_event_interruptible returns -ERESTARTSYS */

		if (rets) {
@@ -1699,6 +1700,10 @@ int mei_cl_write(struct mei_cl *cl, struct mei_cl_cb *cb, bool blocking) 
				rets = -EINTR;

			goto err;

		}

		if (cl->writing_state != MEI_WRITE_COMPLETE) {

			rets = -EFAULT;

			goto err;

		}

	}



	rets = size;