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authorIdo Schimmel <idosch@nvidia.com>2021-01-07 15:48:22 +0100
committerJakub Kicinski <kuba@kernel.org>2021-01-08 03:47:18 +0100
commit7b01e53eee6dce7a8a6736e06b99b68cd0cc7a27 (patch)
treee36a4aafd3c8cc30cfc0ba1ac58f0e3398a92c3c /net/ipv4/nexthop.c
parentnexthop: Fix off-by-one error in error path (diff)
downloadlinux-7b01e53eee6dce7a8a6736e06b99b68cd0cc7a27.tar.xz
linux-7b01e53eee6dce7a8a6736e06b99b68cd0cc7a27.zip
nexthop: Unlink nexthop group entry in error path
In case of error, remove the nexthop group entry from the list to which it was previously added. Fixes: 430a049190de ("nexthop: Add support for nexthop groups") Signed-off-by: Ido Schimmel <idosch@nvidia.com> Reviewed-by: Petr Machata <petrm@nvidia.com> Reviewed-by: David Ahern <dsahern@kernel.org> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to '')
-rw-r--r--net/ipv4/nexthop.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/net/ipv4/nexthop.c b/net/ipv4/nexthop.c
index f8035cfa9c20..712cdc061cde 100644
--- a/net/ipv4/nexthop.c
+++ b/net/ipv4/nexthop.c
@@ -1459,8 +1459,10 @@ static struct nexthop *nexthop_create_group(struct net *net,
return nh;
out_no_nh:
- for (i--; i >= 0; --i)
+ for (i--; i >= 0; --i) {
+ list_del(&nhg->nh_entries[i].nh_list);
nexthop_put(nhg->nh_entries[i].nh);
+ }
kfree(nhg->spare);
kfree(nhg);