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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>
This commit is contained in:
Iker Pedrosa 2013-09-20 17:11:27 +02:00 committed by Greg Kroah-Hartman
parent 3ff4afe80e
commit c3aed2312f
1 changed files with 2 additions and 0 deletions
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2
drivers/staging/rtl8192u/r819xU_cmdpkt.c
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@ -37,6 +37,8 @@ rt_status SendTxCommandPacket(struct net_device *dev, void *pData, u32 DataLen)
/* Get TCB and local buffer from common pool. /* Get TCB and local buffer from common pool.
(It is shared by CmdQ, MgntQ, and USB coalesce DataQ) */ (It is shared by CmdQ, MgntQ, and USB coalesce DataQ) */
skb = dev_alloc_skb(USB_HWDESC_HEADER_LEN + DataLen + 4); skb = dev_alloc_skb(USB_HWDESC_HEADER_LEN + DataLen + 4);
if (!skb)
return RT_STATUS_FAILURE;
memcpy((unsigned char *)(skb->cb), &dev, sizeof(dev)); memcpy((unsigned char *)(skb->cb), &dev, sizeof(dev));
tcb_desc = (cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE); tcb_desc = (cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
tcb_desc->queue_index = TXCMD_QUEUE; tcb_desc->queue_index = TXCMD_QUEUE;