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Commit 4fc383c0 authored by Stefan Richter's avatar Stefan Richter
Browse files

ieee1394: sbp2: recheck node generation in sbp2_update 



While sbp2_update() is doing its duties after a bus reset, another reset
could happen.  Don't accept new requests until the next undisturbed
sbp2_update() or until sbp2_remove().

Signed-off-by: default avatarStefan Richter <stefanr@s5r6.in-berlin.de>
parent 1f427e80

drivers/ieee1394/sbp2.c

+6 −5
Original line number Diff line number Diff line
@@ -802,11 +802,12 @@ static int sbp2_update(struct unit_directory *ud) 
	 */

	sbp2scsi_complete_all_commands(scsi_id, DID_BUS_BUSY);



	/* Make sure we unblock requests (since this is likely after a bus

	 * reset). */

	/* Accept new commands unless there was another bus reset in the

	 * meantime. */

	if (hpsb_node_entry_valid(scsi_id->ne)) {

		atomic_set(&scsi_id->unfinished_reset, 0);

		scsi_unblock_requests(scsi_id->scsi_host);



	}

	return 0;

}