From 80ec6872aceb18c68b1cf5b6f8acd6ad667cbd4f Mon Sep 17 00:00:00 2001 From: Yousong Zhou Date: Thu, 17 Dec 2020 15:55:55 +0800 Subject: [PATCH] qga: invoke separate applets for guest-shutdown modes /sbin/shutdown is not available on OpenWrt by default Origin: "main/qemu: fix shutdown from guest agent" https://gitlab.alpinelinux.org/alpine/aports/commit/76b81b486480fd9c3294cd420bcf2df01c27790d --- qga/commands-posix.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/qga/commands-posix.c b/qga/commands-posix.c index a52af0315f..623d856c64 100644 --- a/qga/commands-posix.c +++ b/qga/commands-posix.c @@ -84,6 +84,7 @@ static void ga_wait_child(pid_t pid, int *status, Error **errp) void qmp_guest_shutdown(bool has_mode, const char *mode, Error **errp) { const char *shutdown_flag; + const char *fallback_cmd = NULL; Error *local_err = NULL; pid_t pid; int status; @@ -91,10 +92,13 @@ void qmp_guest_shutdown(bool has_mode, const char *mode, Error **errp) slog("guest-shutdown called, mode: %s", mode); if (!has_mode || strcmp(mode, "powerdown") == 0) { shutdown_flag = "-P"; + fallback_cmd = "/sbin/poweroff"; } else if (strcmp(mode, "halt") == 0) { shutdown_flag = "-H"; + fallback_cmd = "/sbin/halt"; } else if (strcmp(mode, "reboot") == 0) { shutdown_flag = "-r"; + fallback_cmd = "/sbin/reboot"; } else { error_setg(errp, "mode is invalid (valid values are: halt|powerdown|reboot"); @@ -111,6 +115,7 @@ void qmp_guest_shutdown(bool has_mode, const char *mode, Error **errp) execle("/sbin/shutdown", "shutdown", "-h", shutdown_flag, "+0", "hypervisor initiated shutdown", (char*)NULL, environ); + execle(fallback_cmd, fallback_cmd, (char*)NULL, environ); _exit(EXIT_FAILURE); } else if (pid < 0) { error_setg_errno(errp, errno, "failed to create child process");