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[SCSI] qla2xxx: Ignore payload reserved-bits during RSCN processing. 

As the driver is only interested in bits 0-9 of the 1st
RSCN-payload word:

	rsvd[15:14]RscnEventQualifier[13:10]Fmt[9:8]Domain[7:0]
	Area[15:8]Alpa[7:0]

Signed-off-by: Ravi Anand <ravi.anand@qlogic.com>
Signed-off-by: Andrew Vasquez <andrew.vasquez@qlogic.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
This commit is contained in:
Ravi Anand 2008-09-11 21:22:53 -07:00 committed by James Bottomley
parent 2d13693879
commit 59d72d873c
1 changed files with 3 additions and 1 deletions
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4
drivers/scsi/qla2xxx/qla_isr.c
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@ -589,7 +589,7 @@ qla2x00_async_event(scsi_qla_host_t *ha, uint16_t *mb)
"scsi(%ld): RSCN database changed -- %04x %04x %04x.\n",
ha->host_no, mb[1], mb[2], mb[3]));
rscn_entry = (mb[1] << 16) | mb[2];
rscn_entry = ((mb[1] & 0xff) << 16) | mb[2];
host_pid = (ha->d_id.b.domain << 16) | (ha->d_id.b.area << 8) |
ha->d_id.b.al_pa;
if (rscn_entry == host_pid) {
@ -600,6 +600,8 @@ qla2x00_async_event(scsi_qla_host_t *ha, uint16_t *mb)
break;
}
/* Ignore reserved bits from RSCN-payload. */
rscn_entry = ((mb[1] & 0x3ff) << 16) | mb[2];
rscn_queue_index = ha->rscn_in_ptr + 1;
if (rscn_queue_index == MAX_RSCN_COUNT)
rscn_queue_index = 0;