summaryrefslogtreecommitdiffstats
path: root/target/linux/generic/backport-5.4/080-wireguard-0112-netlink-consistently-use-NLA_POLICY_EXACT_LEN.patch
diff options
context:
space:
mode:
Diffstat (limited to 'target/linux/generic/backport-5.4/080-wireguard-0112-netlink-consistently-use-NLA_POLICY_EXACT_LEN.patch')
-rw-r--r--target/linux/generic/backport-5.4/080-wireguard-0112-netlink-consistently-use-NLA_POLICY_EXACT_LEN.patch49
1 files changed, 49 insertions, 0 deletions
diff --git a/target/linux/generic/backport-5.4/080-wireguard-0112-netlink-consistently-use-NLA_POLICY_EXACT_LEN.patch b/target/linux/generic/backport-5.4/080-wireguard-0112-netlink-consistently-use-NLA_POLICY_EXACT_LEN.patch
new file mode 100644
index 0000000000..4b2712bb2d
--- /dev/null
+++ b/target/linux/generic/backport-5.4/080-wireguard-0112-netlink-consistently-use-NLA_POLICY_EXACT_LEN.patch
@@ -0,0 +1,49 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: Johannes Berg <johannes.berg@intel.com>
+Date: Tue, 18 Aug 2020 10:17:31 +0200
+Subject: [PATCH] netlink: consistently use NLA_POLICY_EXACT_LEN()
+
+commit 8140860c817f3e9f78bcd1e420b9777ddcbaa629 upstream.
+
+Change places that open-code NLA_POLICY_EXACT_LEN() to
+use the macro instead, giving us flexibility in how we
+handle the details of the macro.
+
+Signed-off-by: Johannes Berg <johannes.berg@intel.com>
+Acked-by: Matthieu Baerts <matthieu.baerts@tessares.net>
+Signed-off-by: David S. Miller <davem@davemloft.net>
+[Jason: only picked the drivers/net/wireguard/* part]
+Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
+---
+ drivers/net/wireguard/netlink.c | 10 +++++-----
+ 1 file changed, 5 insertions(+), 5 deletions(-)
+
+--- a/drivers/net/wireguard/netlink.c
++++ b/drivers/net/wireguard/netlink.c
+@@ -22,8 +22,8 @@ static struct genl_family genl_family;
+ static const struct nla_policy device_policy[WGDEVICE_A_MAX + 1] = {
+ [WGDEVICE_A_IFINDEX] = { .type = NLA_U32 },
+ [WGDEVICE_A_IFNAME] = { .type = NLA_NUL_STRING, .len = IFNAMSIZ - 1 },
+- [WGDEVICE_A_PRIVATE_KEY] = { .type = NLA_EXACT_LEN, .len = NOISE_PUBLIC_KEY_LEN },
+- [WGDEVICE_A_PUBLIC_KEY] = { .type = NLA_EXACT_LEN, .len = NOISE_PUBLIC_KEY_LEN },
++ [WGDEVICE_A_PRIVATE_KEY] = NLA_POLICY_EXACT_LEN(NOISE_PUBLIC_KEY_LEN),
++ [WGDEVICE_A_PUBLIC_KEY] = NLA_POLICY_EXACT_LEN(NOISE_PUBLIC_KEY_LEN),
+ [WGDEVICE_A_FLAGS] = { .type = NLA_U32 },
+ [WGDEVICE_A_LISTEN_PORT] = { .type = NLA_U16 },
+ [WGDEVICE_A_FWMARK] = { .type = NLA_U32 },
+@@ -31,12 +31,12 @@ static const struct nla_policy device_po
+ };
+
+ static const struct nla_policy peer_policy[WGPEER_A_MAX + 1] = {
+- [WGPEER_A_PUBLIC_KEY] = { .type = NLA_EXACT_LEN, .len = NOISE_PUBLIC_KEY_LEN },
+- [WGPEER_A_PRESHARED_KEY] = { .type = NLA_EXACT_LEN, .len = NOISE_SYMMETRIC_KEY_LEN },
++ [WGPEER_A_PUBLIC_KEY] = NLA_POLICY_EXACT_LEN(NOISE_PUBLIC_KEY_LEN),
++ [WGPEER_A_PRESHARED_KEY] = NLA_POLICY_EXACT_LEN(NOISE_SYMMETRIC_KEY_LEN),
+ [WGPEER_A_FLAGS] = { .type = NLA_U32 },
+ [WGPEER_A_ENDPOINT] = { .type = NLA_MIN_LEN, .len = sizeof(struct sockaddr) },
+ [WGPEER_A_PERSISTENT_KEEPALIVE_INTERVAL] = { .type = NLA_U16 },
+- [WGPEER_A_LAST_HANDSHAKE_TIME] = { .type = NLA_EXACT_LEN, .len = sizeof(struct __kernel_timespec) },
++ [WGPEER_A_LAST_HANDSHAKE_TIME] = NLA_POLICY_EXACT_LEN(sizeof(struct __kernel_timespec)),
+ [WGPEER_A_RX_BYTES] = { .type = NLA_U64 },
+ [WGPEER_A_TX_BYTES] = { .type = NLA_U64 },
+ [WGPEER_A_ALLOWEDIPS] = { .type = NLA_NESTED },