From: Moni Shoua <monis@mellanox.com>
Date: Tue, 23 May 2017 10:48:44 +0300
Subject: [PATCH] IB/core: Namespace is mandatory input for address resolution
References: bnc#1060662
Patch-mainline: 4.12.4
Git-commit: bebb2a473a43c8f84a8210687d1cbdde503046d7
commit bebb2a473a43c8f84a8210687d1cbdde503046d7 upstream.
In function addr_resolve() the namespace is a required input parameter
and not an output. It is passed later for searching the routing table
and device addresses. Also, it shouldn't be copied back to the caller.
Fixes: 565edd1d5555 ('IB/addr: Pass network namespace as a parameter')
Signed-off-by: Moni Shoua <monis@mellanox.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
---
drivers/infiniband/core/addr.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/drivers/infiniband/core/addr.c b/drivers/infiniband/core/addr.c
index ece6926fa2e6..5da2ac7cf61a 100644
--- a/drivers/infiniband/core/addr.c
+++ b/drivers/infiniband/core/addr.c
@@ -510,6 +510,11 @@ static int addr_resolve(struct sockaddr *src_in,
struct dst_entry *dst;
int ret;
+ if (!addr->net) {
+ pr_warn_ratelimited("%s: missing namespace\n", __func__);
+ return -EINVAL;
+ }
+
if (src_in->sa_family == AF_INET) {
struct rtable *rt = NULL;
const struct sockaddr_in *dst_in4 =
@@ -547,7 +552,6 @@ static int addr_resolve(struct sockaddr *src_in,
}
addr->bound_dev_if = ndev->ifindex;
- addr->net = dev_net(ndev);
dev_put(ndev);
return ret;
--
2.14.2