core: Unset device ctx if it has been destroyed
Devices can outlive their context in some cases (in particular with
python garbage collection). Guard against this by clearing the ctx
pointer so that it is not pointing to uninitialized memory.
Closes #1058
diff --git a/libusb/core.c b/libusb/core.c
index 7893ac2..1c1ada1 100644
--- a/libusb/core.c
+++ b/libusb/core.c
@@ -2441,6 +2441,7 @@
for_each_device(_ctx, dev) {
usbi_warn(_ctx, "device %d.%d still referenced",
dev->bus_number, dev->device_address);
+ DEVICE_CTX(dev) = NULL;
}
if (!list_empty(&_ctx->open_devs))
diff --git a/libusb/version_nano.h b/libusb/version_nano.h
index 03df9b4..2b170fc 100644
--- a/libusb/version_nano.h
+++ b/libusb/version_nano.h
@@ -1 +1 @@
-#define LIBUSB_NANO 11692
+#define LIBUSB_NANO 11693
