linux-kernel - [PATCH] misc: rtsx: Remove unneeded return variable

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Message-Id: <1612164640-84541-1-git-send-email-yang.lee@linux.alibaba.com>
Date:   Mon,  1 Feb 2021 15:30:40 +0800
From:   Yang Li <yang.lee@...ux.alibaba.com>
To:     arnd@...db.de
Cc:     gregkh@...uxfoundation.org, linux-kernel@...r.kernel.org,
        Yang Li <yang.lee@...ux.alibaba.com>
Subject: [PATCH] misc: rtsx: Remove unneeded return variable

This patch removes unneeded return variables, using only
'0' instead.
It fixes the following warning detected by coccinelle:
./drivers/misc/cardreader/rtsx_pcr.c:1808:5-8: Unneeded variable: "ret".
Return "0" on line 1833.

Reported-by: Abaci Robot <abaci@...ux.alibaba.com>
Signed-off-by: Yang Li <yang.lee@...ux.alibaba.com>
---
 drivers/misc/cardreader/rtsx_pcr.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/misc/cardreader/rtsx_pcr.c b/drivers/misc/cardreader/rtsx_pcr.c
index 5a491d2..7dc7780 100644
--- a/drivers/misc/cardreader/rtsx_pcr.c
+++ b/drivers/misc/cardreader/rtsx_pcr.c
@@ -1805,7 +1805,6 @@ static int rtsx_pci_runtime_resume(struct device *device)
 	struct pci_dev *pcidev = to_pci_dev(device);
 	struct pcr_handle *handle;
 	struct rtsx_pcr *pcr;
-	int ret = 0;
 
 	handle = pci_get_drvdata(pcidev);
 	pcr = handle->pcr;
@@ -1830,7 +1829,7 @@ static int rtsx_pci_runtime_resume(struct device *device)
 	schedule_delayed_work(&pcr->idle_work, msecs_to_jiffies(200));
 
 	mutex_unlock(&pcr->pcr_mutex);
-	return ret;
+	return 0;
 }
 
 #else /* CONFIG_PM */
-- 
1.8.3.1