xfrm: mip6: add extack to mip6_destopt_init_state, mip6_rthdr_init_state

Signed-off-by: NSabrina Dubroca <sd@queasysnail.net>
Signed-off-by: NSteffen Klassert <steffen.klassert@secunet.com>

net/ipv6/mip6.c

@@ -250,12 +250,11 @@ static int mip6_destopt_reject(struct xfrm_state *x, struct sk_buff *skb,
 static int mip6_destopt_init_state(struct xfrm_state *x, struct netlink_ext_ack *extack)
 {
 	if (x->id.spi) {
-		pr_info("%s: spi is not 0: %u\n", __func__, x->id.spi);
+		NL_SET_ERR_MSG(extack, "SPI must be 0");
 		return -EINVAL;
 	}
 	if (x->props.mode != XFRM_MODE_ROUTEOPTIMIZATION) {
-		pr_info("%s: state's mode is not %u: %u\n",
-			__func__, XFRM_MODE_ROUTEOPTIMIZATION, x->props.mode);
+		NL_SET_ERR_MSG(extack, "XFRM mode must be XFRM_MODE_ROUTEOPTIMIZATION");
 		return -EINVAL;
 	}
 
@@ -336,12 +335,11 @@ static int mip6_rthdr_output(struct xfrm_state *x, struct sk_buff *skb)
 static int mip6_rthdr_init_state(struct xfrm_state *x, struct netlink_ext_ack *extack)
 {
 	if (x->id.spi) {
-		pr_info("%s: spi is not 0: %u\n", __func__, x->id.spi);
+		NL_SET_ERR_MSG(extack, "SPI must be 0");
 		return -EINVAL;
 	}
 	if (x->props.mode != XFRM_MODE_ROUTEOPTIMIZATION) {
-		pr_info("%s: state's mode is not %u: %u\n",
-			__func__, XFRM_MODE_ROUTEOPTIMIZATION, x->props.mode);
+		NL_SET_ERR_MSG(extack, "XFRM mode must be XFRM_MODE_ROUTEOPTIMIZATION");
 		return -EINVAL;
 	}