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-rw-r--r--drivers/scsi/qla2xxx/qla_isr.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/scsi/qla2xxx/qla_isr.c b/drivers/scsi/qla2xxx/qla_isr.c
index 9eb6ef33304..fc4bfa7f839 100644
--- a/drivers/scsi/qla2xxx/qla_isr.c
+++ b/drivers/scsi/qla2xxx/qla_isr.c
@@ -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;