[SCTP]: Fix NULL dereference of asoc.
Commit 7cbca67c073263c179f605bdbbdc565ab29d801d ("[IPV6]: Support
Source Address Selection API (RFC5014)") introduced NULL dereference
of asoc to sctp_v6_get_saddr in net/sctp/ipv6.c.
Pointed out by Johann Felix Soden <johfel@users.sourceforge.net>.
Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
diff --git a/include/net/sctp/structs.h b/include/net/sctp/structs.h
index 0ce0443..917d425 100644
--- a/include/net/sctp/structs.h
+++ b/include/net/sctp/structs.h
@@ -548,7 +548,8 @@
struct dst_entry *(*get_dst) (struct sctp_association *asoc,
union sctp_addr *daddr,
union sctp_addr *saddr);
- void (*get_saddr) (struct sctp_association *asoc,
+ void (*get_saddr) (struct sctp_sock *sk,
+ struct sctp_association *asoc,
struct dst_entry *dst,
union sctp_addr *daddr,
union sctp_addr *saddr);