3 files changed, 3 insertions, 3 deletions
diff --git a/net.c b/net.c
index 58d68b5cf0..af9de7334d 100644
--- a/net.c
+++ b/net.c
@@ -1507,7 +1507,7 @@ static ssize_t net_socket_receive_dgram(VLANClientState *vc, const uint8_t *buf,
 {
     NetSocketState *s = vc->opaque;
 
-    return sendto(s->fd, (void *)buf, size, 0,
+    return sendto(s->fd, (const void *)buf, size, 0,
                   (struct sockaddr *)&s->dgram_dst, sizeof(s->dgram_dst));
 }
 
diff --git a/qemu-char.c b/qemu-char.c
index a63d860b83..a8afe94fa7 100644
--- a/qemu-char.c
+++ b/qemu-char.c
@@ -1708,7 +1708,7 @@ static int udp_chr_write(CharDriverState *chr, const uint8_t *buf, int len)
 {
     NetCharDriver *s = chr->opaque;
 
-    return sendto(s->fd, (void *)buf, len, 0,
+    return sendto(s->fd, (const void *)buf, len, 0,
                   (struct sockaddr *)&s->daddr, sizeof(struct sockaddr_in));
 }
 
diff --git a/vnc.c b/vnc.c
index 109c2f34e3..e1ca9f8c75 100644
--- a/vnc.c
+++ b/vnc.c
@@ -961,7 +961,7 @@ long vnc_client_write_buf(VncState *vs, const uint8_t *data, size_t datalen)
         }
     } else
 #endif /* CONFIG_VNC_TLS */
-        ret = send(vs->csock, (void *)data, datalen, 0);
+        ret = send(vs->csock, (const void *)data, datalen, 0);
     VNC_DEBUG("Wrote wire %p %zd -> %ld\n", data, datalen, ret);
     return vnc_client_io_error(vs, ret, socket_error());
 }