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Staging: rtl8192u: r819xU_cmdpkt: checking NULL value after doing dev_alloc_skb
Checking the return of dev_alloc_skb as stated in the following bug: https://bugzilla.kernel.org/show_bug.cgi?id=60411 Signed-off-by: Iker Pedrosa <ikerpedrosam@gmail.com> Reported-by: RUC_Soft_Sec rucsoftsec@gmail.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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@ -37,6 +37,8 @@ rt_status SendTxCommandPacket(struct net_device *dev, void *pData, u32 DataLen)
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/* Get TCB and local buffer from common pool.
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(It is shared by CmdQ, MgntQ, and USB coalesce DataQ) */
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skb = dev_alloc_skb(USB_HWDESC_HEADER_LEN + DataLen + 4);
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if (!skb)
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return RT_STATUS_FAILURE;
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memcpy((unsigned char *)(skb->cb), &dev, sizeof(dev));
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tcb_desc = (cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
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tcb_desc->queue_index = TXCMD_QUEUE;
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