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ieee1394: sbp2: recheck node generation in sbp2_update

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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: Stefan Richter <stefanr@s5r6.in-berlin.de>
This commit is contained in:
Stefan Richter
2006-08-14 18:46:00 +02:00
parent 1f427e8055
commit 4fc383c09d
1 changed files with 6 additions and 5 deletions
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drivers/ieee1394/sbp2.c
+4 -3
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@@ -802,11 +802,12 @@ static int sbp2_update(struct unit_directory *ud)
*/ */
sbp2scsi_complete_all_commands(scsi_id, DID_BUS_BUSY); sbp2scsi_complete_all_commands(scsi_id, DID_BUS_BUSY);
/* Make sure we unblock requests (since this is likely after a bus /* Accept new commands unless there was another bus reset in the
* reset). */ * meantime. */
if (hpsb_node_entry_valid(scsi_id->ne)) {
atomic_set(&scsi_id->unfinished_reset, 0); atomic_set(&scsi_id->unfinished_reset, 0);
scsi_unblock_requests(scsi_id->scsi_host); scsi_unblock_requests(scsi_id->scsi_host);
}
return 0; return 0;
} }