nvme-pci: fix comment typo

envent -> event.

Signed-off-by: Baruch Siach <[email protected]>
Reviewed-by: Sagi Grimberg <[email protected]>
Reviewed-by: Christoph Hellwig <[email protected]>
Reviewed-by: Chaitanya Kulkarni <[email protected]>
Signed-off-by: Keith Busch <[email protected]>

Author: baruchsiach

drivers/nvme/host/pci.c

@@ -372,7 +372,7 @@ static bool nvme_dbbuf_update_and_check_event(u16 value, __le32 *dbbuf_db,
 		/*
 		 * Ensure that the doorbell is updated before reading the event
 		 * index from memory.  The controller needs to provide similar
-		 * ordering to ensure the envent index is updated before reading
+		 * ordering to ensure the event index is updated before reading
 		 * the doorbell.
 		 */
 		mb();