commit e78cafbaa2692f5b6e8e8f0ff306f5826c5dd94d
Author: Mark Kuo <starryalley@gmail.com>
Date:   Sun Jan 10 16:58:26 2021 +1100

    linux_usbfs: Fix exit crash on Android
    
    In commit "89b810ec Android: Add option LIBUSB_OPTION_WEAK_AUTHORITY
    to support used in apk", we should also check weak_authority when
    exiting the backend.
    
    [dickens] Fixed whitespace
    
    Closes #842
    
    Signed-off-by: Mark Kuo <starryalley@gmail.com>
    Signed-off-by: Chris Dickens <christopher.a.dickens@gmail.com>

diff --git a/libusb/os/linux_usbfs.c b/libusb/os/linux_usbfs.c
index 7175b35..4882c0f 100644
--- a/libusb/os/linux_usbfs.c
+++ b/libusb/os/linux_usbfs.c
@@ -415,6 +415,13 @@ static int op_init(struct libusb_context *ctx)
 static void op_exit(struct libusb_context *ctx)
 {
 	UNUSED(ctx);
+
+#ifdef __ANDROID__
+	if (weak_authority) {
+		return;
+	}
+#endif
+
 	usbi_mutex_static_lock(&linux_hotplug_startstop_lock);
 	assert(init_count != 0);
 	if (!--init_count) {