linux-kernel - [PATCHv2] Check if skb_alloc returns Null in function fw_download

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Message-Id: <1403021232-6469-1-git-send-email-xerofoify@gmail.com>
Date:	Tue, 17 Jun 2014 12:07:12 -0400
From:	Nicholas Krause <xerofoify@...il.com>
To:	gregkh@...uxfoundation.org
Cc:	lisa@...apiadmin.com, valentina.manea.m@...il.com,
	ben@...adent.org.uk, devel@...verdev.osuosl.org,
	linux-kernel@...r.kernel.org
Subject: [PATCHv2] Check if skb_alloc returns Null in function fw_download_code

Signed-off-by: Nicholas Krause <xerofoify@...il.com>
---
 drivers/staging/rtl8192e/rtl8192e/r8192E_firmware.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/staging/rtl8192e/rtl8192e/r8192E_firmware.c b/drivers/staging/rtl8192e/rtl8192e/r8192E_firmware.c
index 1a95d1f..11e915e 100644
--- a/drivers/staging/rtl8192e/rtl8192e/r8192E_firmware.c
+++ b/drivers/staging/rtl8192e/rtl8192e/r8192E_firmware.c
@@ -61,11 +61,13 @@ static bool fw_download_code(struct net_device *dev, u8 *code_virtual_address,
 		}
 
 		skb  = dev_alloc_skb(frag_length + 4);
+		if (!skb)
+			return 0;
 			memcpy((unsigned char *)(skb->cb), &dev, sizeof(dev));
 			tcb_desc = (struct cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
 			tcb_desc->queue_index = TXCMD_QUEUE;
 			tcb_desc->bCmdOrInit = DESC_PACKET_TYPE_INIT;
 			tcb_desc->bLastIniPkt = bLastIniPkt;
 
 		seg_ptr = skb->data;
 		for (i = 0; i < frag_length; i += 4) {
-- 
1.9.1

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