cleanup useless return sentence

This patch cleans up return sentences in the end of void functions.

Reported-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Amos Kong <akong@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@gmail.com>

3 files changed, 0 insertions, 4 deletions

diff --git a/ip_input.c b/ip_input.c
index 07884ca..451d062 100644
--- a/ip_input.c
+++ b/ip_input.c
@@ -209,7 +209,6 @@ void ip_input(struct mbuf *m)
     return;
 bad:
     m_free(m);
-    return;
 }
 
 #define iptofrag(P) ((struct ipasfrag *)(((char *)(P)) - sizeof(struct qlink)))
diff --git a/tcp_input.c b/tcp_input.c
index 190a135..7d1cfb5 100644
--- a/tcp_input.c
+++ b/tcp_input.c
@@ -1275,8 +1275,6 @@ drop:
      * Drop space held by incoming segment and return.
      */
     m_free(m);
-
-    return;
 }
 
 static void tcp_dooptions(struct tcpcb *tp, u_char *cp, int cnt,
diff --git a/udp.c b/udp.c
index 2bceb08..8206e02 100644
--- a/udp.c
+++ b/udp.c
@@ -228,7 +228,6 @@ void udp_input(register struct mbuf *m, int iphlen)
     return;
 bad:
     m_free(m);
-    return;
 }
 
 int udp_output2(struct socket *so, struct mbuf *m, struct sockaddr_in *saddr,