Patch "bgmac: fix a missing check for build_skb" has been added to the 4.4-stable tree

This is a note to let you know that I've just added the patch titled

bgmac: fix a missing check for build_skb

to the 4.4-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
bgmac-fix-a-missing-check-for-build_skb.patch
and it can be found in the queue-4.4 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree, please let <[email protected]> know about it.

From: wangweidong <[email protected]>
Date: Wed, 13 Jan 2016 11:06:41 +0800
Subject: bgmac: fix a missing check for build_skb

From: wangweidong <[email protected]>

commit f1640c3ddeec12804bc9a21feee85fc15aca95f6 upstream.

when build_skb failed, it may occure a NULL pointer. So add a 'NULL check' for it.

---
 drivers/net/ethernet/broadcom/bgmac.c |    5 +++++
 1 file changed, 5 insertions(+)

@@ -469,6 +469,11 @@ static int bgmac_dma_rx_read(struct bgma
 			len -= ETH_FCS_LEN;
 
 			skb = build_skb(buf, BGMAC_RX_ALLOC_SIZE);
+			if (unlikely(skb)) {
+				bgmac_err(bgmac, "build_skb failed\n");
+				put_page(virt_to_head_page(buf));
+				break;
+			}
 			skb_put(skb, BGMAC_RX_FRAME_OFFSET +
 				BGMAC_RX_BUF_OFFSET + len);
 			skb_pull(skb, BGMAC_RX_FRAME_OFFSET +

Patches currently in stable-queue which might be from [email protected] are

queue-4.4/bgmac-fix-a-missing-check-for-build_skb.patch