linux-kernel - Re: [PATCH v2 2/2] staging: r8188eu: proper error handling in rtw_init_drv

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Message-ID: <YjCgXS990UNB/oQG@kroah.com>
Date:   Tue, 15 Mar 2022 15:19:09 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     Vihas Makwana <makvihas@...il.com>
Cc:     Larry Finger <Larry.Finger@...inger.net>,
        Phillip Potter <phil@...lpotter.co.uk>,
        Michael Straube <straube.linux@...il.com>,
        Martin Kaiser <martin@...ser.cx>,
        Dan Carpenter <dan.carpenter@...cle.com>,
        Pavel Skripkin <paskripkin@...il.com>,
        linux-staging@...ts.linux.dev, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 2/2] staging: r8188eu: proper error handling in
 rtw_init_drv_sw

On Thu, Mar 10, 2022 at 02:20:47AM +0530, Vihas Makwana wrote:
> The code inside rtw_init_drv_sw() calls various init functions to
> populate the padapter structure and checks for their return values
> respectively.
> But if one of the functions in middle fails then it simply returns
> _FAIL instead of proper logging and calling freeing counterparts
> of previous init functions.
> This leads to various memory leaks and can be found in
> /sys/kernel/debug/kmemleak if kernel is compiled with DEBUG_KMEMLEAK=y.
> 
> Fix this and keep the success and error separate.
> 
> Fixes: 2b42bd58b321 ("staging: r8188eu: introduce new os_dep dir for
> RTL8188eu driver")

Nit, that needed to be on one line, and no blank line before the next
ones.

I've fixed it up now.

thanks,

greg k-h