linux-kernel - Re: [PATCH] staging: r8188eu: core: remove null check before vfree

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Message-ID: <1e31610a-0324-dfb7-abe5-f05d652d461d@gmail.com>
Date:   Sat, 28 Aug 2021 21:20:54 +0200
From:   Michael Straube <straube.linux@...il.com>
To:     Saurav Girepunje <saurav.girepunje@...il.com>,
        Larry.Finger@...inger.net, phil@...lpotter.co.uk,
        gregkh@...uxfoundation.org, fabioaiuto83@...il.com,
        ross.schm.dev@...il.com, linux-staging@...ts.linux.dev,
        linux-kernel@...r.kernel.org
Cc:     saurav.girepunje@...mail.com
Subject: Re: [PATCH] staging: r8188eu: core: remove null check before vfree

On 8/28/21 19:54, Saurav Girepunje wrote:
> Remove NULL check. NULL check before freeing function is not needed.
> 
> Signed-off-by: Saurav Girepunje <saurav.girepunje@...il.com>
> ---
>   drivers/staging/r8188eu/core/rtw_sta_mgt.c | 4 +---
>   1 file changed, 1 insertion(+), 3 deletions(-)
> 
> diff --git a/drivers/staging/r8188eu/core/rtw_sta_mgt.c b/drivers/staging/r8188eu/core/rtw_sta_mgt.c
> index f6dffed53a60..4726771a8403 100644
> --- a/drivers/staging/r8188eu/core/rtw_sta_mgt.c
> +++ b/drivers/staging/r8188eu/core/rtw_sta_mgt.c
> @@ -155,9 +155,7 @@ u32	_rtw_free_sta_priv(struct	sta_priv *pstapriv)
>   		spin_unlock_bh(&pstapriv->sta_hash_lock);
>   		/*===============================*/
> 
> -		if (pstapriv->pallocated_stainfo_buf)
> -			vfree(pstapriv->pallocated_stainfo_buf);
> -		}
> +		vfree(pstapriv->pallocated_stainfo_buf);
> 
>   	return _SUCCESS;
>   }
> --
> 2.32.0
> 

Acked-by: Michael Straube <straube.linux@...il.com>

Thanks,
Michael