From: Iker Pedrosa <ikerpedrosam@gmail.com>
To: gregkh@linuxfoundation.org
Cc: burzalodowa@gmail.com, ikerpedrosam@gmail.com,
dan.carpenter@oracle.com, snsehahn@cip.cs.fau.de,
devel@driverdev.osuosl.org, linux-kernel@vger.kernel.org
Subject: [PATCH] Staging: rtl8192u: r819xU_cmdpkt: checking NULL value after doing dev_alloc_skb
Date: Fri, 20 Sep 2013 17:11:27 +0200 [thread overview]
Message-ID: <1379689887-3243-1-git-send-email-ikerpedrosam@gmail.com> (raw)
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
---
drivers/staging/rtl8192u/r819xU_cmdpkt.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/staging/rtl8192u/r819xU_cmdpkt.c b/drivers/staging/rtl8192u/r819xU_cmdpkt.c
index 5bc361b..5614401 100644
--- a/drivers/staging/rtl8192u/r819xU_cmdpkt.c
+++ b/drivers/staging/rtl8192u/r819xU_cmdpkt.c
@@ -37,6 +37,8 @@ rt_status SendTxCommandPacket(struct net_device *dev, void *pData, u32 DataLen)
/* Get TCB and local buffer from common pool.
(It is shared by CmdQ, MgntQ, and USB coalesce DataQ) */
skb = dev_alloc_skb(USB_HWDESC_HEADER_LEN + DataLen + 4);
+ if (!skb)
+ return RT_STATUS_FAILURE;
memcpy((unsigned char *)(skb->cb), &dev, sizeof(dev));
tcb_desc = (cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
tcb_desc->queue_index = TXCMD_QUEUE;
--
1.8.1.2
reply other threads:[~2013-09-20 15:11 UTC|newest]
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