+ Shuah Khan
On 03/23/2017 03:46 AM, Yuyang Du wrote:
This field is read from the newly added ncontroller sysfs.
Signed-off-by: Yuyang Du <yuyang.du@xxxxxxxxx>
---
tools/usb/usbip/libsrc/vhci_driver.c | 18 +++++++++++++++++-
tools/usb/usbip/libsrc/vhci_driver.h | 1 +
2 files changed, 18 insertions(+), 1 deletion(-)
diff --git a/tools/usb/usbip/libsrc/vhci_driver.c b/tools/usb/usbip/libsrc/vhci_driver.c
index 4228b98..d335f04 100644
--- a/tools/usb/usbip/libsrc/vhci_driver.c
+++ b/tools/usb/usbip/libsrc/vhci_driver.c
@@ -134,6 +134,20 @@ static int get_nports(void)
return strtoul(attr_nports, NULL, 10);
}
+static int get_ncontrollers(void)
+{
+ const char *attr_ncontrollers;
+
+ attr_ncontrollers = udev_device_get_sysattr_value(vhci_driver->hc_device,
+ "ncontrollers");
+ if (!attr_ncontrollers) {
+ err("udev_device_get_sysattr_value ncontrollers failed");
+ return -1;
+ }
+
+ return strtoul(attr_ncontrollers, NULL, 10);
+}
+
Why not just scandir()?
Best regards,
--
Krzysztof Opasiak
Samsung R&D Institute Poland
Samsung Electronics
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