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staging: rtl8192u: check dev_alloc_skb() return value in fw_download_code()

This patch adds a check whether skb allocation, in fw_download_code(), was
successful.

Signed-off-by: Xenia Ragiadakou <burzalodowa@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Xenia Ragiadakou 12 years ago
parent
commit
f8518efa4e
1 changed files with 2 additions and 0 deletions
  1. 2 0
      drivers/staging/rtl8192u/r819xU_firmware.c

+ 2 - 0
drivers/staging/rtl8192u/r819xU_firmware.c

@@ -62,6 +62,8 @@ bool fw_download_code(struct net_device *dev, u8 *code_virtual_address, u32 buff
 		 * add 4 to avoid packet appending overflow.
 		 * */
 		skb  = dev_alloc_skb(USB_HWDESC_HEADER_LEN + frag_length + 4);
+		if (!skb)
+			return false;
 		memcpy((unsigned char *)(skb->cb),&dev,sizeof(dev));
 		tcb_desc = (cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
 		tcb_desc->queue_index = TXCMD_QUEUE;