Re: [PATCH] staging: rtl8192 Check for Null return from dev_skb_alloc

From: Nick Krause
Date: Thu Jun 19 2014 - 22:12:14 EST


If anyone able to check this patch it would be great.
Thanks Nick

On Thu, Jun 19, 2014 at 5:18 PM, Nicholas Krause <xerofoify@xxxxxxxxx> wrote:
> Checks for Null return from dev_skb_alloc if it returns Null,
> fw_download returns false. Otherwise it returns true.Also
> removed rt_status due to returning true of false directly.
>
> Signed-off-by: Nicholas Krause <xerofoify@xxxxxxxxx>
> ---
> drivers/staging/rtl8192e/rtl8192e/r8192E_firmware.c | 7 ++++---
> 1 file changed, 4 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/staging/rtl8192e/rtl8192e/r8192E_firmware.c b/drivers/staging/rtl8192e/rtl8192e/r8192E_firmware.c
> index 1a95d1f..affa89a 100644
> --- a/drivers/staging/rtl8192e/rtl8192e/r8192E_firmware.c
> +++ b/drivers/staging/rtl8192e/rtl8192e/r8192E_firmware.c
> @@ -36,7 +36,6 @@ static bool fw_download_code(struct net_device *dev, u8 *code_virtual_address,
> u32 buffer_len)
> {
> struct r8192_priv *priv = rtllib_priv(dev);
> - bool rt_status = true;
> u16 frag_threshold;
> u16 frag_length, frag_offset = 0;
> int i;
> @@ -59,7 +58,9 @@ static bool fw_download_code(struct net_device *dev, u8 *code_virtual_address,
> bLastIniPkt = 1;
>
> }
> skb = dev_alloc_skb(frag_length + 4);
> + if (!skb)
> + return false;
> memcpy((unsigned char *)(skb->cb), &dev, sizeof(dev));
> tcb_desc = (struct cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
> @@ -99,7 +100,7 @@ static bool fw_download_code(struct net_device *dev, u8 *code_virtual_address,
>
> write_nic_byte(dev, TPPoll, TPPoll_CQ);
>
> - return rt_status;
> + return true;
> }
>
> static bool CPUcheck_maincodeok_turnonCPU(struct net_device *dev)
> --
> 1.9.1
>
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