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scsi: arcmsr: arcmsr_hba: Remove statement with no effect

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According to LKP, commit 18bc435e0a ("scsi: arcmsr: Remove some set but
unused variables") can be furthered to remove the entire statement and not
just the unused variable read into.

Snipped LKP report:

 config: x86_64-randconfig-m001-20200719
 compiler: gcc-9 (Debian 9.3.0-14) 9.3.0

 New smatch warnings:
  drivers/scsi/arcmsr/arcmsr_hba.c:1490 arcmsr_done4abort_postqueue() warn: statement has no effect 8
  drivers/scsi/arcmsr/arcmsr_hba.c:2459 arcmsr_hbaD_postqueue_isr() warn: statement has no effect 8
  drivers/scsi/arcmsr/arcmsr_hba.c:3526 arcmsr_hbaD_polling_ccbdone() warn: statement has no effect 8

 1a4f550a09 Nick Cheng  2007-09-13  1401  static void arcmsr_done4abort_postqueue(struct AdapterControlBlock *acb)
 1a4f550a09 Nick Cheng  2007-09-13  1402  {
 [...]
 18bc435e0a Lee Jones   2020-07-13 @1490                             pmu->done_qbuffer[doneq_index & 0xFFF].addressHigh;
                                                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 Delete this line.
 [...]

Link: https://lore.kernel.org/r/20200721164148.2617584-2-lee.jones@linaro.org
Cc: support@areca.com.tw
Reported-by: kernel test robot <lkp@intel.com>
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Lee Jones 2020-07-21 17:41:09 +01:00 committed by Martin K. Petersen
parent 003015b890
commit 7c7ef829ad
1 changed files with 0 additions and 3 deletions
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3
drivers/scsi/arcmsr/arcmsr_hba.c
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@ -1487,7 +1487,6 @@ static void arcmsr_done4abort_postqueue(struct AdapterControlBlock *acb)
((toggle ^ 0x4000) + 1); ((toggle ^ 0x4000) + 1);
doneq_index = pmu->doneq_index; doneq_index = pmu->doneq_index;
spin_unlock_irqrestore(&acb->doneq_lock, flags); spin_unlock_irqrestore(&acb->doneq_lock, flags);
pmu->done_qbuffer[doneq_index & 0xFFF].addressHigh;
addressLow = pmu->done_qbuffer[doneq_index & addressLow = pmu->done_qbuffer[doneq_index &
0xFFF].addressLow; 0xFFF].addressLow;
ccb_cdb_phy = (addressLow & 0xFFFFFFF0); ccb_cdb_phy = (addressLow & 0xFFFFFFF0);
@ -2456,7 +2455,6 @@ static void arcmsr_hbaD_postqueue_isr(struct AdapterControlBlock *acb)
pmu->doneq_index = index_stripped ? (index_stripped | toggle) : pmu->doneq_index = index_stripped ? (index_stripped | toggle) :
((toggle ^ 0x4000) + 1); ((toggle ^ 0x4000) + 1);
doneq_index = pmu->doneq_index; doneq_index = pmu->doneq_index;
pmu->done_qbuffer[doneq_index & 0xFFF].addressHigh;
addressLow = pmu->done_qbuffer[doneq_index & addressLow = pmu->done_qbuffer[doneq_index &
0xFFF].addressLow; 0xFFF].addressLow;
ccb_cdb_phy = (addressLow & 0xFFFFFFF0); ccb_cdb_phy = (addressLow & 0xFFFFFFF0);
@ -3523,7 +3521,6 @@ polling_hbaD_ccb_retry:
((toggle ^ 0x4000) + 1); ((toggle ^ 0x4000) + 1);
doneq_index = pmu->doneq_index; doneq_index = pmu->doneq_index;
spin_unlock_irqrestore(&acb->doneq_lock, flags); spin_unlock_irqrestore(&acb->doneq_lock, flags);
pmu->done_qbuffer[doneq_index & 0xFFF].addressHigh;
flag_ccb = pmu->done_qbuffer[doneq_index & 0xFFF].addressLow; flag_ccb = pmu->done_qbuffer[doneq_index & 0xFFF].addressLow;
ccb_cdb_phy = (flag_ccb & 0xFFFFFFF0); ccb_cdb_phy = (flag_ccb & 0xFFFFFFF0);
if (acb->cdb_phyadd_hipart) if (acb->cdb_phyadd_hipart)