ipcomp: Fix warnings after ipcomp consolidation.

net/ipv4/ipcomp.c: In function ‘ipcomp4_init_state’:
net/ipv4/ipcomp.c:109: warning: unused variable ‘calg_desc’
net/ipv4/ipcomp.c:108: warning: unused variable ‘ipcd’
net/ipv4/ipcomp.c:107: warning: ‘err’ may be used uninitialized in this function
net/ipv6/ipcomp6.c: In function ‘ipcomp6_init_state’:
net/ipv6/ipcomp6.c:139: warning: unused variable ‘calg_desc’
net/ipv6/ipcomp6.c:138: warning: unused variable ‘ipcd’
net/ipv6/ipcomp6.c:137: warning: ‘err’ may be used uninitialized in this function
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

net/ipv4/ipcomp.c

@@ -104,9 +104,7 @@ static int ipcomp_tunnel_attach(struct xfrm_state *x)
 
 static int ipcomp4_init_state(struct xfrm_state *x)
 {
-	int err;
-	struct ipcomp_data *ipcd;
-	struct xfrm_algo_desc *calg_desc;
+	int err = -EINVAL;
 
 	x->props.header_len = 0;
 	switch (x->props.mode) {

net/ipv6/ipcomp6.c

@@ -134,9 +134,7 @@ static int ipcomp6_tunnel_attach(struct xfrm_state *x)
 
 static int ipcomp6_init_state(struct xfrm_state *x)
 {
-	int err;
-	struct ipcomp_data *ipcd;
-	struct xfrm_algo_desc *calg_desc;
+	int err = -EINVAL;
 
 	x->props.header_len = 0;
 	switch (x->props.mode) {