[xen staging] vchan-socket-proxy: Set closed FDs to -1

[patchbot@xxxxxxx]

commit 620225c48573396dc2394f59080a2d704a566c9d
Author:     Jason Andryuk <jandryuk@xxxxxxxxx>
AuthorDate: Wed Jun 10 23:29:34 2020 -0400
Commit:     Wei Liu <wl@xxxxxxx>
CommitDate: Fri Jun 26 11:59:59 2020 +0000

    vchan-socket-proxy: Set closed FDs to -1
    
    These FDs are closed, so set them to -1 so they are no longer valid.
    
    Signed-off-by: Jason Andryuk <jandryuk@xxxxxxxxx>
    Acked-by: Wei Liu <wl@xxxxxxx>
    Reviewed-by: Marek Marczykowski-Górecki <marmarek@xxxxxxxxxxxxxxxxxxxxxx>
    Release-acked-by: Paul Durrant <paul@xxxxxxx>
---
 tools/libvchan/vchan-socket-proxy.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/tools/libvchan/vchan-socket-proxy.c 
b/tools/libvchan/vchan-socket-proxy.c
index 29a12260ed..cd7629bc4e 100644
--- a/tools/libvchan/vchan-socket-proxy.c
+++ b/tools/libvchan/vchan-socket-proxy.c
@@ -326,7 +326,9 @@ int data_loop(struct vchan_proxy_state *state)
                 while (outsiz)
                     socket_wr(state->output_fd);
                 close(state->output_fd);
+                state->output_fd = -1;
                 close(state->input_fd);
+                state->input_fd = -1;
                 discard_buffers(state->ctrl);
                 break;
             }
--
generated by git-patchbot for /home/xen/git/xen.git#staging