Re: [PATCHv2] Check if skb_alloc returns Null in function fw_download_code

From: Greg KH
Date: Tue Jun 17 2014 - 16:14:58 EST


On Tue, Jun 17, 2014 at 12:07:12PM -0400, Nicholas Krause wrote:
> Signed-off-by: Nicholas Krause <xerofoify@xxxxxxxxx>
> ---
> drivers/staging/rtl8192e/rtl8192e/r8192E_firmware.c | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/drivers/staging/rtl8192e/rtl8192e/r8192E_firmware.c b/drivers/staging/rtl8192e/rtl8192e/r8192E_firmware.c
> index 1a95d1f..11e915e 100644
> --- a/drivers/staging/rtl8192e/rtl8192e/r8192E_firmware.c
> +++ b/drivers/staging/rtl8192e/rtl8192e/r8192E_firmware.c
> @@ -61,11 +61,13 @@ static bool fw_download_code(struct net_device *dev, u8 *code_virtual_address,
> }
>
> skb = dev_alloc_skb(frag_length + 4);
> + if (!skb)
> + return 0;
> memcpy((unsigned char *)(skb->cb), &dev, sizeof(dev));
> tcb_desc = (struct cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);

Again, look at this code and tell me if it now looks correct after your
change...

thanks,

greg k-h
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