All of the failures to configure devices will result in QEMU exiting
with an error code. In preparation for passing Error * down the chain
re-name the iterator to foreach_device_config_or_exit and exit using
&error_fatal instead of returning a failure indication.
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
---
system/vl.c | 31 ++++++++++++++++---------------
1 file changed, 16 insertions(+), 15 deletions(-)
diff --git a/system/vl.c b/system/vl.c
index 0843b7ab49..25d9968ccc 100644
--- a/system/vl.c
+++ b/system/vl.c
@@ -1307,7 +1307,14 @@ static void add_device_config(int type, const char
*cmdline)
QTAILQ_INSERT_TAIL(&device_configs, conf, next);
}
-static int foreach_device_config(int type, int (*func)(const char *cmdline))
+/**
+ * foreach_device_config_or_exit(): process per-device configs
+ * @type: device_config type
+ * @func: device specific config function, returning pass/fail
+ *
+ * Any failure is fatal and we exit with an error message.
+ */
+static void foreach_device_config_or_exit(int type, int (*func)(const char
*cmdline))
{
struct device_config *conf;
int rc;
@@ -1319,10 +1326,10 @@ static int foreach_device_config(int type, int
(*func)(const char *cmdline))
rc = func(conf->cmdline);
loc_pop(&conf->loc);
if (rc) {
- return rc;
+ error_setg(&error_fatal, "failed to configure: %s", conf->cmdline);
+ exit(1);
}
}
- return 0;
}
static void qemu_disable_default_devices(void)
@@ -2044,12 +2051,9 @@ static void qemu_create_late_backends(void)
qemu_opts_foreach(qemu_find_opts("mon"),
mon_init_func, NULL, &error_fatal);
- if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
- exit(1);
- if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
- exit(1);
- if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
- exit(1);
+ foreach_device_config_or_exit(DEV_SERIAL, serial_parse);
+ foreach_device_config_or_exit(DEV_PARALLEL, parallel_parse);
+ foreach_device_config_or_exit(DEV_DEBUGCON, debugcon_parse);
/* now chardevs have been created we may have semihosting to connect */
qemu_semihosting_chardev_init();
@@ -2670,8 +2674,7 @@ static void qemu_create_cli_devices(void)
/* init USB devices */
if (machine_usb(current_machine)) {
- if (foreach_device_config(DEV_USB, usb_parse) < 0)
- exit(1);
+ foreach_device_config_or_exit(DEV_USB, usb_parse);
}
/* init generic devices */
@@ -2718,10 +2721,8 @@ static bool qemu_machine_creation_done(Error **errp)
exit(1);
}
- if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
- error_setg(errp, "could not start gdbserver");
- return false;
- }
+ foreach_device_config_or_exit(DEV_GDB, gdbserver_start);
+
if (!vga_interface_created && !default_vga &&
vga_interface_type != VGA_NONE) {
warn_report("A -vga option was passed but this machine "