gdb_server: assert to avoid malloc(0)

Change-Id: I6ae3e007f4aa768f8bc64de78351750138f12e53
Signed-off-by: Øyvind Harboe <oyvind.harboe@zylin.com>
Reviewed-on: http://openocd.zylin.com/135
Tested-by: jenkins
Reviewed-by: Andreas Fritiofson <andreas.fritiofson@gmail.com>
Reviewed-by: Øyvind Harboe <oyvindharboe@gmail.com>

diff --git a/src/server/gdb_server.c b/src/server/gdb_server.c
index 5eb6cac4da70ab5fb37b7f331d5bca80aaa91291..7c55e7cd952a7ccadf589fe1ffe4883abc72d643 100644 (file)
--- a/src/server/gdb_server.c
+++ b/src/server/gdb_server.c
@@ -1061,6 +1061,8 @@ static int gdb_get_registers_packet(struct connection *connection,
                reg_packet_size += reg_list[i]->size;
        }
 
+       assert(reg_packet_size > 0);
+
        reg_packet = malloc(DIV_ROUND_UP(reg_packet_size, 8) * 2);
        reg_packet_p = reg_packet;