linux-kernel - [PATCH v2 1/2] PCI: switchtec: Simplify switchtec_dma_mrpc

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Message-Id: <20221216162126.207863-2-helgaas@kernel.org>
Date:   Fri, 16 Dec 2022 10:21:25 -0600
From:   Bjorn Helgaas <helgaas@...nel.org>
To:     Kurt Schwemmer <kurt.schwemmer@...rosemi.com>,
        Logan Gunthorpe <logang@...tatee.com>
Cc:     linux-pci@...r.kernel.org, linux-kernel@...r.kernel.org,
        Bjorn Helgaas <bhelgaas@...gle.com>
Subject: [PATCH v2 1/2] PCI: switchtec: Simplify switchtec_dma_mrpc_isr()

From: Bjorn Helgaas <bhelgaas@...gle.com>

The "ret" variable in switchtec_dma_mrpc_isr() is superfluous.  Remove it
and just return the value.  No functional change intended.

Signed-off-by: Bjorn Helgaas <bhelgaas@...gle.com>
Reviewed-by: Logan Gunthorpe <logang@...tatee.com>
---
 drivers/pci/switch/switchtec.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/pci/switch/switchtec.c b/drivers/pci/switch/switchtec.c
index 75be4fe22509..d7ae84070e29 100644
--- a/drivers/pci/switch/switchtec.c
+++ b/drivers/pci/switch/switchtec.c
@@ -1480,15 +1480,13 @@ static irqreturn_t switchtec_event_isr(int irq, void *dev)
 static irqreturn_t switchtec_dma_mrpc_isr(int irq, void *dev)
 {
 	struct switchtec_dev *stdev = dev;
-	irqreturn_t ret = IRQ_NONE;
 
 	iowrite32(SWITCHTEC_EVENT_CLEAR |
 		  SWITCHTEC_EVENT_EN_IRQ,
 		  &stdev->mmio_part_cfg->mrpc_comp_hdr);
 	schedule_work(&stdev->mrpc_work);
 
-	ret = IRQ_HANDLED;
-	return ret;
+	return IRQ_HANDLED;
 }
 
 static int switchtec_init_isr(struct switchtec_dev *stdev)
-- 
2.25.1