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authorYuyang Du <yuyang.du@intel.com>2017-05-22 18:20:17 +0800
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2017-06-13 10:48:24 +0200
commitfd92b7deb98a4edd31ffcc2d64cee36103805ff5 (patch)
tree2a93c0178340fb019d323aca784bd88b72b3672d
parentaa3ecb9154acb99282f315fe6c34ce4b7eb4d67e (diff)
downloadlinux-fd92b7deb98a4edd31ffcc2d64cee36103805ff5.tar.bz2
usb: usbip tool: Fix refresh_imported_device_list()
The commit 0775a9cbc694e8c7 ("usbip: vhci extension: modifications to vhci driver") introduced multiple controllers, but the status of the ports are only extracted from the first status file, fix it. Reviewed-by: Krzysztof Opasiak <k.opasiak@samsung.com> Signed-off-by: Yuyang Du <yuyang.du@intel.com> Acked-by: Shuah Khan <shuahkh@osg.samsung.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r--tools/usb/usbip/libsrc/vhci_driver.c27
1 files changed, 21 insertions, 6 deletions
diff --git a/tools/usb/usbip/libsrc/vhci_driver.c b/tools/usb/usbip/libsrc/vhci_driver.c
index f6f3a19ba385..aa82c4b17797 100644
--- a/tools/usb/usbip/libsrc/vhci_driver.c
+++ b/tools/usb/usbip/libsrc/vhci_driver.c
@@ -108,18 +108,33 @@ static int parse_status(const char *value)
return 0;
}
+#define MAX_STATUS_NAME 16
+
static int refresh_imported_device_list(void)
{
const char *attr_status;
+ char status[MAX_STATUS_NAME+1] = "status";
+ int i, ret;
- attr_status = udev_device_get_sysattr_value(vhci_driver->hc_device,
- "status");
- if (!attr_status) {
- err("udev_device_get_sysattr_value failed");
- return -1;
+ for (i = 0; i < vhci_driver->ncontrollers; i++) {
+ if (i > 0)
+ snprintf(status, sizeof(status), "status.%d", i);
+
+ attr_status = udev_device_get_sysattr_value(vhci_driver->hc_device,
+ status);
+ if (!attr_status) {
+ err("udev_device_get_sysattr_value failed");
+ return -1;
+ }
+
+ dbg("controller %d", i);
+
+ ret = parse_status(attr_status);
+ if (ret != 0)
+ return ret;
}
- return parse_status(attr_status);
+ return 0;
}
static int get_nports(void)