diff options
| author | Ravi Anand <ravi.anand@qlogic.com> | 2008-09-12 06:22:53 +0200 |
|---|---|---|
| committer | James Bottomley <James.Bottomley@HansenPartnership.com> | 2008-10-03 18:46:19 +0200 |
| commit | 59d72d873ccfaf59e9ceea1487459f5a57c0d504 (patch) | |
| tree | f3b69428118345934784c5f6e1b1c8c2871bc3ec /drivers/scsi/qla2xxx/qla_isr.c | |
| parent | [SCSI] qla2xxx: Additional residual-count corrections during UNDERRUN handling. (diff) | |
| download | linux-59d72d873ccfaf59e9ceea1487459f5a57c0d504.tar.xz linux-59d72d873ccfaf59e9ceea1487459f5a57c0d504.zip | |
[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>
Diffstat (limited to 'drivers/scsi/qla2xxx/qla_isr.c')
| -rw-r--r-- | drivers/scsi/qla2xxx/qla_isr.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/scsi/qla2xxx/qla_isr.c b/drivers/scsi/qla2xxx/qla_isr.c index 9eb6ef333044..fc4bfa7f839c 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; |