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From: Florian Schilhabel <florian.c.schilhabel@googlemail.com>
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Date: Tue, 4 May 2010 14:23:43 +0200
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Subject: [PATCH] Staging: rtl8192su: check for skb == NULL
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commit 199ef62a287b429a8fa3b7dc5ae6b69f607bf324 upstream.
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added 2 checks for skb == NULL.
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Signed-off-by: Florian Schilhabel <florian.c.schilhabel@googlemail.com>
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Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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[bwh: Remove cosmetic changes]
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--- a/drivers/staging/rtl8192su/r8192S_firmware.c
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+++ b/drivers/staging/rtl8192su/r8192S_firmware.c
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/* Allocate skb buffer to contain firmware info and tx descriptor info. */
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skb = dev_alloc_skb(frag_length);
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+ RT_TRACE(COMP_ERR, "(%s): unable to alloc skb buffer\n",
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+ goto cmdsend_downloadcode_fail;
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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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--- a/drivers/staging/rtl8192su/r819xU_cmdpkt.c
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+++ b/drivers/staging/rtl8192su/r819xU_cmdpkt.c
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@@ -56,6 +56,12 @@ bool SendTxCommandPacket(struct net_device *dev, void *pData, u32 DataLen)
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//Get TCB and local buffer from common pool. (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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+ RT_TRACE(COMP_ERR, "(%s): unable to alloc skb buffer\n",
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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;