linux-kernel - [PATCH] drivers: usb: early: remove unused code

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Message-ID: <20170208061850.GA6707@embeddedgus>
Date:   Wed, 8 Feb 2017 00:18:50 -0600
From:   "Gustavo A. R. Silva" <garsilva@...eddedor.com>
To:     gregkh@...uxfoundation.org, paul.gortmaker@...driver.com,
        yamada.masahiro@...ionext.com, akpm@...ux-foundation.org
Cc:     linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH] drivers: usb: early: remove unused code

Remove this line of code because devnum is overwritten before it can be used.
This could happen if line of code 609 (goto try_again;) is executed. Otherwise,
devnum is never used again.

Addresses-Coverity-ID: 1226870
Signed-off-by: Gustavo A. R. Silva <garsilva@...eddedor.com>
---
 drivers/usb/early/ehci-dbgp.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/drivers/usb/early/ehci-dbgp.c b/drivers/usb/early/ehci-dbgp.c
index ea73afb..e265444 100644
--- a/drivers/usb/early/ehci-dbgp.c
+++ b/drivers/usb/early/ehci-dbgp.c
@@ -580,7 +580,6 @@ static int _dbgp_external_startup(void)
 				USB_DEBUG_DEVNUM);
 			goto err;
 		}
-		devnum = USB_DEBUG_DEVNUM;
 		dbgp_printk("debug device renamed to 127\n");
 	}
 
-- 
2.5.0