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-rw-r--r--sys/kern/uipc_socket.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/sys/kern/uipc_socket.c b/sys/kern/uipc_socket.c
index 1734960..d3aa490 100644
--- a/sys/kern/uipc_socket.c
+++ b/sys/kern/uipc_socket.c
@@ -2236,7 +2236,12 @@ soreceive_dgram(struct socket *so, struct sockaddr **psa, struct uio *uio,
m_freem(m);
return (error);
}
- m = m_free(m);
+ if (len == m->m_len)
+ m = m_free(m);
+ else {
+ m->m_data += len;
+ m->m_len -= len;
+ }
}
if (m != NULL)
flags |= MSG_TRUNC;
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