All of lore.kernel.org
 help / color / mirror / Atom feed
* [PATCH] scsi: ipr: remove unnecessary variable assignments and the variable itself
@ 2017-06-08 20:47 Gustavo A. R. Silva
  0 siblings, 0 replies; only message in thread
From: Gustavo A. R. Silva @ 2017-06-08 20:47 UTC (permalink / raw)
  To: Brian King, James E.J. Bottomley, Martin K. Petersen
  Cc: linux-scsi, linux-kernel, Gustavo A. R. Silva

Remove unnecessary variable assignments, the variable itself and
refactor the code.

Addresses-Coverity-ID: 1227034
Signed-off-by: Gustavo A. R. Silva <garsilva@embeddedor.com>
---
 drivers/scsi/ipr.c | 12 +++++-------
 1 file changed, 5 insertions(+), 7 deletions(-)

diff --git a/drivers/scsi/ipr.c b/drivers/scsi/ipr.c
index b0c68d2..633db65 100644
--- a/drivers/scsi/ipr.c
+++ b/drivers/scsi/ipr.c
@@ -8414,7 +8414,6 @@ static int ipr_reset_next_stage(struct ipr_cmnd *ipr_cmd)
 static int ipr_reset_enable_ioa(struct ipr_cmnd *ipr_cmd)
 {
 	struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg;
-	volatile u32 int_reg;
 	volatile u64 maskval;
 	int i;
 
@@ -8431,15 +8430,14 @@ static int ipr_reset_enable_ioa(struct ipr_cmnd *ipr_cmd)
 	if (ioa_cfg->sis64) {
 		/* Set the adapter to the correct endian mode. */
 		writel(IPR_ENDIAN_SWAP_KEY, ioa_cfg->regs.endian_swap_reg);
-		int_reg = readl(ioa_cfg->regs.endian_swap_reg);
+		readl(ioa_cfg->regs.endian_swap_reg);
 	}
 
-	int_reg = readl(ioa_cfg->regs.sense_interrupt_reg32);
-
-	if (int_reg & IPR_PCII_IOA_TRANS_TO_OPER) {
+	if (readl(ioa_cfg->regs.sense_interrupt_reg32) &
+	    IPR_PCII_IOA_TRANS_TO_OPER) {
 		writel((IPR_PCII_ERROR_INTERRUPTS | IPR_PCII_HRRQ_UPDATED),
 		       ioa_cfg->regs.clr_interrupt_mask_reg32);
-		int_reg = readl(ioa_cfg->regs.sense_interrupt_mask_reg);
+		readl(ioa_cfg->regs.sense_interrupt_mask_reg);
 		return IPR_RC_JOB_CONTINUE;
 	}
 
@@ -8453,7 +8451,7 @@ static int ipr_reset_enable_ioa(struct ipr_cmnd *ipr_cmd)
 	} else
 		writel(IPR_PCII_OPER_INTERRUPTS, ioa_cfg->regs.clr_interrupt_mask_reg32);
 
-	int_reg = readl(ioa_cfg->regs.sense_interrupt_mask_reg);
+	readl(ioa_cfg->regs.sense_interrupt_mask_reg);
 
 	dev_info(&ioa_cfg->pdev->dev, "Initializing IOA.\n");
 
-- 
2.5.0

^ permalink raw reply related	[flat|nested] only message in thread

only message in thread, other threads:[~2017-06-08 20:47 UTC | newest]

Thread overview: (only message) (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2017-06-08 20:47 [PATCH] scsi: ipr: remove unnecessary variable assignments and the variable itself Gustavo A. R. Silva

This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.