[Qemu-devel] [PATCH 1/6] gdbstub: Return the fd from gdbserver_start

[Richard Henderson]

This will allow us to protect gdbserver_fd from the guest.

Signed-off-by: Richard Henderson <richard.hender...@linaro.org>
---
 gdbstub.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/gdbstub.c b/gdbstub.c
index 6081e719c5..057d0d65c5 100644
--- a/gdbstub.c
+++ b/gdbstub.c
@@ -1890,15 +1890,16 @@ static int gdbserver_open(int port)
 int gdbserver_start(int port)
 {
     gdbserver_fd = gdbserver_open(port);
-    if (gdbserver_fd < 0)
+    if (gdbserver_fd < 0) {
         return -1;
+    }
     /* accept connections */
     if (!gdb_accept()) {
         close(gdbserver_fd);
         gdbserver_fd = -1;
         return -1;
     }
-    return 0;
+    return gdbserver_fd;
 }
 
 /* Disable gdb stub for child processes.  */
-- 
2.17.0