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Commit 31bd8e1e authored by Linux Build Service Account's avatar Linux Build Service Account Committed by Gerrit - the friendly Code Review server
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Merge "USB: android: Add check before calling function's unbind_config()"

parents 7c5344fd af068e4b

drivers/usb/gadget/android.c

+10 −4
Original line number Diff line number Diff line
@@ -85,6 +85,8 @@ static const char longname[] = "Gadget Android"; 
struct android_usb_function {

	char *name;

	void *config;

	/* set only when function's bind_config() is called. */

	bool bound;



	struct device *dev;

	char *dev_name;
@@ -2912,14 +2914,17 @@ android_bind_enabled_functions(struct android_dev *dev, 


				f = list_first_entry(&c->functions,

					struct usb_function, list);

				if (f->config) {

					list_del(&f->list);

					if (f->unbind)

						f->unbind(c, f);

				}

			}

			if (c->unbind)

				c->unbind(c);

			return ret;

		}

		f_holder->f->bound = true;

	}

	return 0;

}
@@ -2933,8 +2938,9 @@ android_unbind_enabled_functions(struct android_dev *dev, 
		container_of(c, struct android_configuration, usb_config);



	list_for_each_entry(f_holder, &conf->enabled_functions, enabled_list) {

		if (f_holder->f->unbind_config)

		if (f_holder->f->bound && f_holder->f->unbind_config)

			f_holder->f->unbind_config(f_holder->f, c);

		f_holder->f->bound = false;

	}

}

static inline void check_streaming_func(struct usb_gadget *gadget,