linux-kernel - [PATCH] usb: gadget: configfs: compress return logic into one line

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Message-ID: <20170710022047.GA2880@embeddedgus>
Date:   Sun, 9 Jul 2017 21:20:47 -0500
From:   "Gustavo A. R. Silva" <garsilva@...eddedor.com>
To:     Felipe Balbi <balbi@...nel.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org,
        "Gustavo A. R. Silva" <garsilva@...eddedor.com>
Subject: [PATCH] usb: gadget: configfs: compress return logic into one line

Simplify return logic to avoid unnecessary variable assignment.

This issue was detected using Coccinelle and the following
semantic patch:

@@
local idexpression ret;
expression e;
@@

-ret =
+return
     e;
-return ret;

Signed-off-by: Gustavo A. R. Silva <garsilva@...eddedor.com>
---
 drivers/usb/gadget/configfs.c | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/drivers/usb/gadget/configfs.c b/drivers/usb/gadget/configfs.c
index a22a892..00b4454 100644
--- a/drivers/usb/gadget/configfs.c
+++ b/drivers/usb/gadget/configfs.c
@@ -1502,12 +1502,9 @@ EXPORT_SYMBOL_GPL(unregister_gadget_item);
 
 static int __init gadget_cfs_init(void)
 {
-	int ret;
-
 	config_group_init(&gadget_subsys.su_group);
 
-	ret = configfs_register_subsystem(&gadget_subsys);
-	return ret;
+	return configfs_register_subsystem(&gadget_subsys);
 }
 module_init(gadget_cfs_init);
 
-- 
2.5.0