diff options
| -rw-r--r-- | usb-linux.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/usb-linux.c b/usb-linux.c index 22a85e3..c3c38ec 100644 --- a/usb-linux.c +++ b/usb-linux.c @@ -33,6 +33,7 @@ #include "qemu-common.h" #include "qemu-timer.h" #include "monitor.h" +#include "sysemu.h" #include <dirent.h> #include <sys/ioctl.h> @@ -132,6 +133,7 @@ typedef struct USBHostDevice { int configuration; int ninterfaces; int closing; + Notifier exit; struct ctrl_struct ctrl; struct endp_data endp_table[MAX_ENDPOINTS]; @@ -404,6 +406,7 @@ static void usb_host_handle_destroy(USBDevice *dev) usb_host_close(s); QTAILQ_REMOVE(&hostdevs, s, next); + qemu_remove_exit_notifier(&s->exit); } static int usb_linux_update_endp_table(USBHostDevice *s); @@ -997,6 +1000,15 @@ static int usb_host_close(USBHostDevice *dev) return 0; } +static void usb_host_exit_notifier(struct Notifier* n) +{ + USBHostDevice *s = container_of(n, USBHostDevice, exit); + + if (s->fd != -1) { + ioctl(s->fd, USBDEVFS_RESET); + } +} + static int usb_host_initfn(USBDevice *dev) { USBHostDevice *s = DO_UPCAST(USBHostDevice, dev, dev); @@ -1004,6 +1016,8 @@ static int usb_host_initfn(USBDevice *dev) dev->auto_attach = 0; s->fd = -1; QTAILQ_INSERT_TAIL(&hostdevs, s, next); + s->exit.notify = usb_host_exit_notifier; + qemu_add_exit_notifier(&s->exit); usb_host_auto_check(NULL); return 0; } |
