Commit dd4dff8b authored Jan 08, 2009 by Bryan Wu Committed by Greg Kroah-Hartman Jan 27, 2009

USB: composite: Fix bug: should test set_alt function pointer before use it



Signed-off-by: Bryan Wu <cooloney@kernel.org>
Acked-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

parent cd67435e

drivers/usb/gadget/composite.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -772,7 +772,7 @@ composite_setup(struct usb_gadget gadget, const struct usb_ctrlrequest ctrl)
		f = cdev->config->interface[w_index];
		if (!f)
		break;
		if (w_value && !f->get_alt)
		if (w_value && !f->set_alt)
		break;
		value = f->set_alt(f, w_index, w_value);
		break;