diff options
| author | ching Huang <ching2048@areca.com.tw> | 2021-04-16 06:44:57 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-07-20 17:05:38 +0300 |
| commit | 4d395142d96f19cbc6e8a4b3d54c55e9a7bca377 (patch) | |
| tree | 4b503846007beed6044b17ddf2b828516c8e9dd8 /drivers/scsi | |
| parent | 22d22fef9cbc965449dd30e830b1a47462f76186 (diff) | |
| download | linux-4d395142d96f19cbc6e8a4b3d54c55e9a7bca377.tar.xz | |
scsi: arcmsr: Fix the wrong CDB payload report to IOP
[ Upstream commit 5b8644968d2ca85abb785e83efec36934974b0c2 ]
This patch fixes the wrong CDB payload report to IOP.
Link: https://lore.kernel.org/r/d2c97df3c817595c6faf582839316209022f70da.camel@areca.com.tw
Signed-off-by: ching Huang <ching2048@areca.com.tw>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'drivers/scsi')
| -rw-r--r-- | drivers/scsi/arcmsr/arcmsr_hba.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/scsi/arcmsr/arcmsr_hba.c b/drivers/scsi/arcmsr/arcmsr_hba.c index e4fdb473b990..4838f790dac7 100644 --- a/drivers/scsi/arcmsr/arcmsr_hba.c +++ b/drivers/scsi/arcmsr/arcmsr_hba.c @@ -1928,8 +1928,12 @@ static void arcmsr_post_ccb(struct AdapterControlBlock *acb, struct CommandContr if (ccb->arc_cdb_size <= 0x300) arc_cdb_size = (ccb->arc_cdb_size - 1) >> 6 | 1; - else - arc_cdb_size = (((ccb->arc_cdb_size + 0xff) >> 8) + 2) << 1 | 1; + else { + arc_cdb_size = ((ccb->arc_cdb_size + 0xff) >> 8) + 2; + if (arc_cdb_size > 0xF) + arc_cdb_size = 0xF; + arc_cdb_size = (arc_cdb_size << 1) | 1; + } ccb_post_stamp = (ccb->smid | arc_cdb_size); writel(0, &pmu->inbound_queueport_high); writel(ccb_post_stamp, &pmu->inbound_queueport_low); |