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Date:   Tue, 5 Oct 2021 15:09:58 -0700
From:   Jeff Johnson <jjohnson@...eaurora.org>
To:     Srinivasan Raju <srini.raju@...elifi.com>
Cc:     mostafa.afgani@...elifi.com, Kalle Valo <kvalo@...eaurora.org>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        open list <linux-kernel@...r.kernel.org>,
        "open list:NETWORKING DRIVERS (WIRELESS)" 
        <linux-wireless@...r.kernel.org>,
        "open list:NETWORKING DRIVERS" <netdev@...r.kernel.org>
Subject: Re: [PATCH] [v18 2/2] wireless: Initial driver submission for
 pureLiFi STA devices

On 10/5/2021 5:31 AM, Srinivasan Raju wrote:> +		fw_data = 
kmemdup(&fw->data[fw_data_i], blk_tran_len,> +				  GFP_KERNEL);> +> +	 
for (tbuf_idx = 0; tbuf_idx < blk_tran_len; tbuf_idx++) {> +			/* u8 bit 
reverse */> +			fw_data[tbuf_idx] = bitrev8(fw_data[tbuf_idx]);> +		}
note kmemdup() can return NULL, hence the reference to fw_data[] can 
dereference NULL.

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