[NETFILTER]: Fix warnings in ip_nat_snmp_basic.c

net/ipv4/netfilter/ip_nat_snmp_basic.c: In function 'asn1_header_decode':
net/ipv4/netfilter/ip_nat_snmp_basic.c:248: warning: 'len' may be used uninitialized in this function
net/ipv4/netfilter/ip_nat_snmp_basic.c:248: warning: 'def' may be used uninitialized in this function
net/ipv4/netfilter/ip_nat_snmp_basic.c: In function 'snmp_translate':
net/ipv4/netfilter/ip_nat_snmp_basic.c:672: warning: 'l' may be used uninitialized in this function
net/ipv4/netfilter/ip_nat_snmp_basic.c:668: warning: 'type' may be used uninitialized in this function

Signed-off-by: David S. Miller <davem@davemloft.net>

net/ipv4/netfilter/ip_nat_snmp_basic.c

@@ -250,6 +250,7 @@ static unsigned char asn1_header_decode(struct asn1_ctx *ctx,
 	if (!asn1_id_decode(ctx, cls, con, tag))
 		return 0;
 
+	def = len = 0;
 	if (!asn1_length_decode(ctx, &def, &len))
 		return 0;
 
@@ -669,7 +670,7 @@ static unsigned char snmp_object_decode(struct asn1_ctx *ctx,
 	unsigned char *eoc, *end, *p;
 	unsigned long *lp, *id;
 	unsigned long ul;
-	long  l;
+	long l;
 
 	*obj = NULL;
 	id = NULL;
@@ -699,11 +700,13 @@ static unsigned char snmp_object_decode(struct asn1_ctx *ctx,
 		return 0;
 	}
 
+	type = 0;
 	if (!snmp_tag_cls2syntax(tag, cls, &type)) {
 		kfree(id);
 		return 0;
 	}
 
+	l = 0;
 	switch (type) {
 		case SNMP_INTEGER:
 			len = sizeof(long);