linux-kernel - Re: [PATCH] staging: dgap: fix returned errno code in dgap

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Message-ID: <20150922065236.GB5526@sudip-pc>
Date:	Tue, 22 Sep 2015 12:22:36 +0530
From:	Sudip Mukherjee <sudipm.mukherjee@...il.com>
To:	Javier Martinez Canillas <javier@....samsung.com>
Cc:	linux-kernel@...r.kernel.org, devel@...verdev.osuosl.org,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Daeseok Youn <daeseok.youn@...il.com>,
	driverdev-devel@...uxdriverproject.org,
	Lidza Louina <lidza.louina@...il.com>
Subject: Re: [PATCH] staging: dgap: fix returned errno code in
 dgap_parsefile()

On Tue, Sep 22, 2015 at 08:38:43AM +0200, Javier Martinez Canillas wrote:
> Hello Sudip,
> 
> On 09/22/2015 06:52 AM, Sudip Mukherjee wrote:
> > On Tue, Sep 22, 2015 at 02:39:36AM +0200, Javier Martinez Canillas wrote:
> >> The driver is using -1 instead of the -ENOMEM defined macro to specify
> >> that a buffer allocation failed. Since the error number is propagated,
> >> the caller will get a -EPERM which is the wrong error condition.
> > Just a little doubt. caller means the function which is calling this
> > dgap_parsefile() or you meant the user?
<snip>
> 
> But I believe the patch and what the commit message says is true regardless
> of the fact that the caller is just checking for != 0. dgap_firmware_load()
> stills gets a wrong error condition whether it's checking it or not.
Yes. I just had a doubt what you meant by caller. If user then I would
have said that "patch is correct but commit message is not". :)

regards
sudip
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