[hurd] 08/12: libmachdev: fix size of `net_rcv_msg' message

[Samuel Thibault]

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sthibault pushed a commit to branch dde
in repository hurd.

commit 92c8444efa72369aaa872ba9cdb4815141839017
Author: Justus Winter <address@hidden>
Date:   Wed Nov 26 14:50:57 2014 +0100

    libmachdev: fix size of `net_rcv_msg' message
    
    Account for the `struct packet_header' that is prepended to the
    network packet in the calculation of the `net_rcv_msg' message.  This
    complements e363aa56.
    
    * libmachdev/net.c (netif_rx_handle): Fix size of message.
---
 libmachdev/net.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/libmachdev/net.c b/libmachdev/net.c
index 5a5cd5d..e04fa80 100644
--- a/libmachdev/net.c
+++ b/libmachdev/net.c
@@ -241,6 +241,7 @@ netif_rx_handle (char *data, int len, struct net_device 
*dev)
   net_msg->msg_hdr.msgh_size =
     (((mach_msg_size_t) (sizeof (struct net_rcv_msg)
                         - sizeof net_msg->sent
+                        + sizeof (struct packet_header)
                         - NET_RCV_MAX + pack_size)) + 3) & ~3;
 
   /* Copy packet into message buffer.  */

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