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Commit 59d72d87 authored by Ravi Anand's avatar Ravi Anand Committed by James Bottomley
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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: default avatarRavi Anand <ravi.anand@qlogic.com>
Signed-off-by: default avatarAndrew Vasquez <andrew.vasquez@qlogic.com>
Signed-off-by: default avatarJames Bottomley <James.Bottomley@HansenPartnership.com>
parent 2d136938

drivers/scsi/qla2xxx/qla_isr.c

+3 −1
Original line number Diff line number Diff line
@@ -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;