Patch "net/mlx4_en: Fix endianness bug in IPV6 csum calculation" 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

net/mlx4_en: Fix endianness bug in IPV6 csum calculation

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:
net-mlx4_en-fix-endianness-bug-in-ipv6-csum-calculation.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: Daniel Jurgens <[email protected]>
Date: Wed, 4 May 2016 15:00:33 +0300
Subject: net/mlx4_en: Fix endianness bug in IPV6 csum calculation

From: Daniel Jurgens <[email protected]>

[ Upstream commit 82d69203df634b4dfa765c94f60ce9482bcc44d6 ]

Use htons instead of unconditionally byte swapping nexthdr. On a little endian systems shifting the byte is correct behavior, but it results in incorrect csums on big endian architectures.

---
 drivers/net/ethernet/mellanox/mlx4/en_rx.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

@@ -704,7 +704,7 @@ static int get_fixed_ipv6_csum(__wsum hw
 
 	if (ipv6h->nexthdr == IPPROTO_FRAGMENT || ipv6h->nexthdr == IPPROTO_HOPOPTS)
 		return -1;
-	hw_checksum = csum_add(hw_checksum, (__force __wsum)(ipv6h->nexthdr << 8));
+	hw_checksum = csum_add(hw_checksum, (__force __wsum)htons(ipv6h->nexthdr));
 
 	csum_pseudo_hdr = csum_partial(&ipv6h->saddr,
 				       sizeof(ipv6h->saddr) + sizeof(ipv6h->daddr), 0);

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

queue-4.4/net-mlx4_en-fix-endianness-bug-in-ipv6-csum-calculation.patch