This is a note to let you know that I've just added the patch titled
libcxgb: fix error check for ip6_route_output()
to the 4.9-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git%3Ba=su...
The filename of the patch is: libcxgb-fix-error-check-for-ip6_route_output.patch and it can be found in the queue-4.9 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree, please let stable@vger.kernel.org know about it.
From foo@baz Wed Dec 6 17:39:55 CET 2017
From: Varun Prakash varun@chelsio.com Date: Tue, 3 Jan 2017 21:25:48 +0530 Subject: libcxgb: fix error check for ip6_route_output()
From: Varun Prakash varun@chelsio.com
[ Upstream commit a9a8cdb368d99bb655b5cdabea560446db0527cc ]
ip6_route_output() never returns NULL so check dst->error instead of !dst.
Signed-off-by: Varun Prakash varun@chelsio.com Signed-off-by: David S. Miller davem@davemloft.net Signed-off-by: Sasha Levin alexander.levin@verizon.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/net/ethernet/chelsio/libcxgb/libcxgb_cm.c | 12 +++++------- 1 file changed, 5 insertions(+), 7 deletions(-)
--- a/drivers/net/ethernet/chelsio/libcxgb/libcxgb_cm.c +++ b/drivers/net/ethernet/chelsio/libcxgb/libcxgb_cm.c @@ -133,17 +133,15 @@ cxgb_find_route6(struct cxgb4_lld_info * if (ipv6_addr_type(&fl6.daddr) & IPV6_ADDR_LINKLOCAL) fl6.flowi6_oif = sin6_scope_id; dst = ip6_route_output(&init_net, NULL, &fl6); - if (!dst) - goto out; - if (!cxgb_our_interface(lldi, get_real_dev, - ip6_dst_idev(dst)->dev) && - !(ip6_dst_idev(dst)->dev->flags & IFF_LOOPBACK)) { + if (dst->error || + (!cxgb_our_interface(lldi, get_real_dev, + ip6_dst_idev(dst)->dev) && + !(ip6_dst_idev(dst)->dev->flags & IFF_LOOPBACK))) { dst_release(dst); - dst = NULL; + return NULL; } }
-out: return dst; } EXPORT_SYMBOL(cxgb_find_route6);
Patches currently in stable-queue which might be from varun@chelsio.com are
queue-4.9/libcxgb-fix-error-check-for-ip6_route_output.patch