commands: ensure -1 is sent on EPIPE for init pid

Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com> Reported-by: Stéphane Graber <stgraber@ubuntu.com>

commands: ensure -1 is sent on EPIPE for init pid
e8cd1208 · Christian Brauner · 691544a0 · e8cd1208
Unverified Commit e8cd1208 authored Aug 25, 2018 by Christian Brauner
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commands.c src/lxc/commands.c +6 -1

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--- a/src/lxc/commands.c
+++ b/src/lxc/commands.c
@@ -376,7 +376,12 @@ pid_t lxc_cmd_get_init_pid(const char *name, const char *lxcpath)
 {
 	int ret, stopped;
 	struct lxc_cmd_rr cmd = {
-		.req = { .cmd = LXC_CMD_GET_INIT_PID },
+		.req = {
+			.cmd = LXC_CMD_GET_INIT_PID
+		},
+		.rsp = {
+			.data = INT_TO_PTR((int){-1})
+		}
 	};

 	ret = lxc_cmd(name, &cmd, &stopped, lxcpath, NULL);