linux-kernel - Re: [PATCH] staging: r8188eu: fix type mismacth

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Date:   Sun, 5 Sep 2021 23:40:37 +0200
From:   Michael Straube <straube.linux@...il.com>
To:     Pavel Skripkin <paskripkin@...il.com>, Larry.Finger@...inger.net,
        phil@...lpotter.co.uk, gregkh@...uxfoundation.org,
        fmdefrancesco@...il.com
Cc:     linux-staging@...ts.linux.dev, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] staging: r8188eu: fix type mismacth

Hi Pavel,

On 9/5/21 22:52, Pavel Skripkin wrote:
> diff --git a/drivers/staging/r8188eu/core/rtw_cmd.c b/drivers/staging/r8188eu/core/rtw_cmd.c
> index fee4208dacba..afe6c7fa594d 100644
> --- a/drivers/staging/r8188eu/core/rtw_cmd.c
> +++ b/drivers/staging/r8188eu/core/rtw_cmd.c
> @@ -1162,7 +1162,7 @@ u8 rtw_setassocsta_cmd(struct adapter  *padapter, u8 *mac_addr)
>   		goto exit;
>   	}
>   
> -	psetassocsta_rsp = kzalloc(sizeof(struct set_assocsta_rsp), GFP_ATOMIC);
> +	psetassocsta_rsp = kzalloc(sizeof(struct set_stakey_rsp), GFP_ATOMIC);

this should be

psetassocsta_rsp = kzalloc(sizeof(*psetassocsta_rsp), GFP_ATOMIC);


This way you get always the correct size, no matter what's the type of
psetassocsta_rsp. Checkpatch suggests this too. ;)

Best regards,
Michael