Commit d8d9f79e authored by unknown's avatar unknown
Browse files

Fix for BUG#7658 "optimize crashes slave thread (1 in 1000)]": 

mysql_admin_table() attempted to write to a vio which was 0. I could have fixed mysql_admin_table()
but fixing my_net_write() looked more future-proof.


sql/net_serv.cc:
  If no VIO, no write.
parent 04498c2a

sql/net_serv.cc

+2 −0
Original line number Diff line number Diff line
@@ -227,6 +227,8 @@ int 
my_net_write(NET *net,const char *packet,ulong len)

{

  uchar buff[NET_HEADER_SIZE];

  if (unlikely(!net->vio)) // nowhere to write

    return 0;

  /*

    Big packets are handled by splitting them in packets of MAX_PACKET_LENGTH

    length. The last packet is always a packet that is < MAX_PACKET_LENGTH.