linux-kernel - Re: [PATCH] lan78xx: Fix ladv/radv error handling in lan78xx_link

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Date:	Sun, 06 Sep 2015 19:47:18 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	geert@...ux-m68k.org
Cc:	Woojung.Huh@...rochip.com, linux-usb@...r.kernel.org,
	netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] lan78xx: Fix ladv/radv error handling in
 lan78xx_link_reset()

From: Geert Uytterhoeven <geert@...ux-m68k.org>
Date: Fri,  4 Sep 2015 12:47:28 +0200

> net/usb/lan78xx.c: In function ‘lan78xx_link_reset’:
> net/usb/lan78xx.c:1107: warning: comparison is always false due to limited range of data type
> net/usb/lan78xx.c:1111: warning: comparison is always false due to limited range of data type
> 
> Assigning return values that can be negative error codes to "u16"
> variables makes them positive, ignoring the errors.  Hence use "int"
> instead.
> 
> Drop the "unlikely"s (unlikely considered harmful) and propagate the
> actual error values instead of overriding them to -EIO while we're at
> it.
> 
> Signed-off-by: Geert Uytterhoeven <geert@...ux-m68k.org>

Applied, thanks.