linux-kernel - Re: [PATCH 1/1 v2] isdn: hisax: set error code on failure

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Message-Id: <20161205.150454.1689858963074461020.davem@davemloft.net>
Date:   Mon, 05 Dec 2016 15:04:54 -0500 (EST)
From:   David Miller <davem@...emloft.net>
To:     bianpan201603@....com
Cc:     sergei.shtylyov@...entembedded.com, isdn@...ux-pingi.de,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        bianpan2016@....com
Subject: Re: [PATCH 1/1 v2] isdn: hisax: set error code on failure

From: Pan Bian <bianpan201603@....com>
Date: Sun,  4 Dec 2016 18:43:31 +0800

> From: Pan Bian <bianpan2016@....com>
> 
> In function hfc4s8s_probe(), the value of return variable err should be
> negative on failures. However, when the call to request_region() returns
> NULL, the value of err is 0. This patch fixes the bug, assigning
> "-EBUSY" to err on the path that request_region() fails.
> 
> Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=188931
> 
> Signed-off-by: Pan Bian <bianpan2016@....com>

Applied.