[PATCH] misc: rtsx: Remove unneeded return variable

[Yang Li]

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 <ab...@linux.alibaba.com>
Signed-off-by: Yang Li <yang....@linux.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