From: Gonglei <arei.gong...@huawei.com> Introduce del_boot_device_path() to clean up fw_cfg content when hot-unplugging a device that refers to a bootindex.
Signed-off-by: Gonglei <arei.gong...@huawei.com> Signed-off-by: Chenliang <chenlian...@huawei.com> --- bootdevice.c | 21 +++++++++++++++++++++ include/sysemu/sysemu.h | 1 + 2 files changed, 22 insertions(+) diff --git a/bootdevice.c b/bootdevice.c index f5399df..89aca7f 100644 --- a/bootdevice.c +++ b/bootdevice.c @@ -51,6 +51,27 @@ void check_boot_index(int32_t bootindex, Error **errp) } } +void del_boot_device_path(DeviceState *dev) +{ + FWBootEntry *i; + + assert(dev != NULL); + + /* remove all entries of the assigned device */ + QTAILQ_FOREACH(i, &fw_boot_order, link) { + if (i->dev == NULL) { + continue; + } + if (i->dev == dev) { + QTAILQ_REMOVE(&fw_boot_order, i, link); + g_free(i->suffix); + g_free(i); + + break; + } + } +} + void add_boot_device_path(int32_t bootindex, DeviceState *dev, const char *suffix) { diff --git a/include/sysemu/sysemu.h b/include/sysemu/sysemu.h index 72463de..10cd573 100644 --- a/include/sysemu/sysemu.h +++ b/include/sysemu/sysemu.h @@ -214,6 +214,7 @@ char *get_boot_devices_list(size_t *size, bool ignore_suffixes); DeviceState *get_boot_device(uint32_t position); void check_boot_index(int32_t bootindex, Error **errp); +void del_boot_device_path(DeviceState *dev); QemuOpts *qemu_get_machine_opts(void); -- 1.7.12.4