USB: dynamically allocate usb_device children pointers instead of using a fix array
Non-hub device has no child, and even a real USB hub has ports far
less than USB_MAXCHILDREN, so there is no need using a fix array for
child devices, just allocate it dynamically according real port
number.
Signed-off-by: Huajun Li <huajun.li.lee@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/include/linux/usb.h b/include/linux/usb.h
index 0c51663..73b68d1 100644
--- a/include/linux/usb.h
+++ b/include/linux/usb.h
@@ -501,7 +501,7 @@
#endif
int maxchild;
- struct usb_device *children[USB_MAXCHILDREN];
+ struct usb_device **children;
u32 quirks;
atomic_t urbnum;