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

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Date:   Sun, 9 Jul 2017 21:56:24 -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: legacy: ncm: 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/legacy/ncm.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/drivers/usb/gadget/legacy/ncm.c b/drivers/usb/gadget/legacy/ncm.c
index 0aba682..cb0d84f 100644
--- a/drivers/usb/gadget/legacy/ncm.c
+++ b/drivers/usb/gadget/legacy/ncm.c
@@ -106,10 +106,8 @@ static int ncm_do_config(struct usb_configuration *c)
 	}
 
 	f_ncm = usb_get_function(f_ncm_inst);
-	if (IS_ERR(f_ncm)) {
-		status = PTR_ERR(f_ncm);
-		return status;
-	}
+	if (IS_ERR(f_ncm))
+		return PTR_ERR(f_ncm);
 
 	status = usb_add_function(c, f_ncm);
 	if (status < 0) {
-- 
2.5.0