diff options
Diffstat (limited to 'tools')
-rw-r--r-- | tools/usb/usbip/libsrc/usbip_device_driver.c | 7 | ||||
-rw-r--r-- | tools/usb/usbip/src/usbip_bind.c | 9 | ||||
-rw-r--r-- | tools/usb/usbip/src/usbip_list.c | 9 | ||||
-rw-r--r-- | tools/usb/usbip/src/usbipd.c | 2 |
4 files changed, 24 insertions, 3 deletions
diff --git a/tools/usb/usbip/libsrc/usbip_device_driver.c b/tools/usb/usbip/libsrc/usbip_device_driver.c index e059b7d1ec5b..ec3a0b794f15 100644 --- a/tools/usb/usbip/libsrc/usbip_device_driver.c +++ b/tools/usb/usbip/libsrc/usbip_device_driver.c @@ -77,7 +77,7 @@ int read_usb_vudc_device(struct udev_device *sdev, struct usbip_usb_device *dev) const char *path, *name; char filepath[SYSFS_PATH_MAX]; struct usb_device_descriptor descr; - unsigned i; + unsigned int i; FILE *fd = NULL; struct udev_device *plat; const char *speed; @@ -92,7 +92,7 @@ int read_usb_vudc_device(struct udev_device *sdev, struct usbip_usb_device *dev) return -1; ret = fread((char *) &descr, sizeof(descr), 1, fd); if (ret < 0) - return -1; + goto err; fclose(fd); copy_descr_attr(dev, &descr, bDeviceClass); @@ -124,6 +124,9 @@ int read_usb_vudc_device(struct udev_device *sdev, struct usbip_usb_device *dev) name = udev_device_get_sysname(plat); strncpy(dev->busid, name, SYSFS_BUS_ID_SIZE); return 0; +err: + fclose(fd); + return -1; } static int is_my_device(struct udev_device *dev) diff --git a/tools/usb/usbip/src/usbip_bind.c b/tools/usb/usbip/src/usbip_bind.c index fa46141ae68b..e121cfb1746a 100644 --- a/tools/usb/usbip/src/usbip_bind.c +++ b/tools/usb/usbip/src/usbip_bind.c @@ -144,6 +144,7 @@ static int bind_device(char *busid) int rc; struct udev *udev; struct udev_device *dev; + const char *devpath; /* Check whether the device with this bus ID exists. */ udev = udev_new(); @@ -152,8 +153,16 @@ static int bind_device(char *busid) err("device with the specified bus ID does not exist"); return -1; } + devpath = udev_device_get_devpath(dev); udev_unref(udev); + /* If the device is already attached to vhci_hcd - bail out */ + if (strstr(devpath, USBIP_VHCI_DRV_NAME)) { + err("bind loop detected: device: %s is attached to %s\n", + devpath, USBIP_VHCI_DRV_NAME); + return -1; + } + rc = unbind_other(busid); if (rc == UNBIND_ST_FAILED) { err("could not unbind driver from device on busid %s", busid); diff --git a/tools/usb/usbip/src/usbip_list.c b/tools/usb/usbip/src/usbip_list.c index f1b38e866dd7..d65a9f444174 100644 --- a/tools/usb/usbip/src/usbip_list.c +++ b/tools/usb/usbip/src/usbip_list.c @@ -187,6 +187,7 @@ static int list_devices(bool parsable) const char *busid; char product_name[128]; int ret = -1; + const char *devpath; /* Create libudev context. */ udev = udev_new(); @@ -209,6 +210,14 @@ static int list_devices(bool parsable) path = udev_list_entry_get_name(dev_list_entry); dev = udev_device_new_from_syspath(udev, path); + /* Ignore devices attached to vhci_hcd */ + devpath = udev_device_get_devpath(dev); + if (strstr(devpath, USBIP_VHCI_DRV_NAME)) { + dbg("Skip the device %s already attached to %s\n", + devpath, USBIP_VHCI_DRV_NAME); + continue; + } + /* Get device information. */ idVendor = udev_device_get_sysattr_value(dev, "idVendor"); idProduct = udev_device_get_sysattr_value(dev, "idProduct"); diff --git a/tools/usb/usbip/src/usbipd.c b/tools/usb/usbip/src/usbipd.c index 009afb4a3aae..c6dad2a13c80 100644 --- a/tools/usb/usbip/src/usbipd.c +++ b/tools/usb/usbip/src/usbipd.c @@ -456,7 +456,7 @@ static void set_signal(void) sigaction(SIGTERM, &act, NULL); sigaction(SIGINT, &act, NULL); act.sa_handler = SIG_IGN; - sigaction(SIGCLD, &act, NULL); + sigaction(SIGCHLD, &act, NULL); } static const char *pid_file; |