linux-kernel - [PATCH] staging: media: imx: remove unnecessary return variable

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Message-ID: <Y7QVN0XY+ld2mBk4@qemulion>
Date:   Tue, 3 Jan 2023 17:14:55 +0530
From:   Deepak R Varma <drv@...lo.com>
To:     Steve Longerbeam <slongerbeam@...il.com>,
        Philipp Zabel <p.zabel@...gutronix.de>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Shawn Guo <shawnguo@...nel.org>,
        Sascha Hauer <s.hauer@...gutronix.de>,
        Pengutronix Kernel Team <kernel@...gutronix.de>,
        Fabio Estevam <festevam@...il.com>,
        NXP Linux Team <linux-imx@....com>,
        linux-media@...r.kernel.org, linux-staging@...ts.linux.dev,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Cc:     Saurabh Singh Sengar <ssengar@...rosoft.com>,
        Praveen Kumar <kumarpraveen@...ux.microsoft.com>,
        Deepak R Varma <drv@...lo.com>
Subject: [PATCH] staging: media: imx: remove unnecessary return variable

The function imx_media_fim_set_stream() can directly return 0 instead of
using a ret variable which never changes its value. Issue identified
using the returnvar.cocci Coccinelle semantic patch.

Signed-off-by: Deepak R Varma <drv@...lo.com>
---
 drivers/staging/media/imx/imx-media-fim.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/staging/media/imx/imx-media-fim.c b/drivers/staging/media/imx/imx-media-fim.c
index fb6590dcfc36..e719227d4323 100644
--- a/drivers/staging/media/imx/imx-media-fim.c
+++ b/drivers/staging/media/imx/imx-media-fim.c
@@ -373,7 +373,6 @@ int imx_media_fim_set_stream(struct imx_media_fim *fim,
 			     bool on)
 {
 	unsigned long flags;
-	int ret = 0;

 	v4l2_ctrl_lock(fim->ctrl[FIM_CL_ENABLE]);

@@ -393,7 +392,7 @@ int imx_media_fim_set_stream(struct imx_media_fim *fim,
 	fim->stream_on = on;
 out:
 	v4l2_ctrl_unlock(fim->ctrl[FIM_CL_ENABLE]);
-	return ret;
+	return 0;
 }

 int imx_media_fim_add_controls(struct imx_media_fim *fim)
--
2.34.1