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Commit 7d5e0e59 authored by Tomas Winkler's avatar Tomas Winkler Committed by Greg Kroah-Hartman
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mei: mei_irq_thread_write_handler check for overflow 



check for overflow when retrieving empty write slots

Signed-off-by: default avatarTomas Winkler <tomas.winkler@intel.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 169d1338

drivers/misc/mei/interrupt.c

+3 −0
Original line number Diff line number Diff line
@@ -1204,6 +1204,9 @@ static int mei_irq_thread_write_handler(struct mei_io_list *cmpl_list, 
		return 0;

	}

	*slots = mei_count_empty_write_slots(dev);

	if (*slots <= 0)

		return -EMSGSIZE;



	/* complete all waiting for write CB */

	dev_dbg(&dev->pdev->dev, "complete all waiting for write cb.\n");