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-rw-r--r--net/dccp/proto.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/net/dccp/proto.c b/net/dccp/proto.c
index 671cd1413d59..85ec1cb7fd41 100644
--- a/net/dccp/proto.c
+++ b/net/dccp/proto.c
@@ -835,6 +835,8 @@ verify_sock_status:
len = -EFAULT;
break;
}
+ if (flags & MSG_TRUNC)
+ len = skb->len;
found_fin_ok:
if (!(flags & MSG_PEEK))
sk_eat_skb(sk, skb, 0);