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mei: amthif: allow the read completion after close

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The amthif client connection is shared over multiple file descriptors.
In case a file descriptor was closed immediately after a write, the read
credits should be still available so the pending reads can be cleaned
from the queue, hence we cannot drop the control read list, this is
done only upon connection close.

Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Alexander Usyskin <alexander.usyskin@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Tomas Winkler 2017-01-27 16:32:44 +02:00 committed by Greg Kroah-Hartman
parent 6537ae2f20
commit 9ecdbc58f9
1 changed files with 1 additions and 1 deletions
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drivers/misc/mei/amthif.c
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@ -353,9 +353,9 @@ int mei_amthif_release(struct mei_device *dev, struct file *file)
dev->iamthif_canceled = true;
}
/* Don't clean ctrl_rd_list here, the reads has to be completed */
mei_clear_list(file, &dev->amthif_cmd_list.list);
mei_clear_list(file, &cl->rd_completed);
mei_clear_list(file, &dev->ctrl_rd_list.list);
return 0;
}