linux-kernel - [PATCH] media: atomisp: Remove unneeded return variable

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Message-Id: <1612421334-37614-1-git-send-email-yang.lee@linux.alibaba.com>
Date:   Thu,  4 Feb 2021 14:48:54 +0800
From:   Yang Li <yang.lee@...ux.alibaba.com>
To:     mchehab@...nel.org
Cc:     sakari.ailus@...ux.intel.com, gregkh@...uxfoundation.org,
        linux-media@...r.kernel.org, devel@...verdev.osuosl.org,
        linux-kernel@...r.kernel.org, Yang Li <yang.lee@...ux.alibaba.com>
Subject: [PATCH] media: atomisp: Remove unneeded return variable

This patch removes unneeded return variables, using only
'0' instead.
It fixes the following warning detected by coccinelle:
./drivers/staging/media/atomisp/pci/sh_css_mipi.c:39:5-8: Unneeded
variable: "err". Return "0" on line 44

Reported-by: Abaci Robot <abaci@...ux.alibaba.com>
Signed-off-by: Yang Li <yang.lee@...ux.alibaba.com>
---
 drivers/staging/media/atomisp/pci/sh_css_mipi.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/staging/media/atomisp/pci/sh_css_mipi.c b/drivers/staging/media/atomisp/pci/sh_css_mipi.c
index d5ae7f0..de8ee45 100644
--- a/drivers/staging/media/atomisp/pci/sh_css_mipi.c
+++ b/drivers/staging/media/atomisp/pci/sh_css_mipi.c
@@ -36,12 +36,10 @@
 int
 ia_css_mipi_frame_specify(const unsigned int size_mem_words,
 			  const bool contiguous) {
-	int err = 0;
-
 	my_css.size_mem_words = size_mem_words;
 	(void)contiguous;
 
-	return err;
+	return 0;
 }
 
 /*
-- 
1.8.3.1