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-rw-r--r--drivers/misc/mei/interrupt.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/misc/mei/interrupt.c b/drivers/misc/mei/interrupt.c
index 83e80bc08d7..8e4dd74b96e 100644
--- a/drivers/misc/mei/interrupt.c
+++ b/drivers/misc/mei/interrupt.c
@@ -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");