X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=bmusb.cpp;h=7c2108203f7904d76bdb9de9a49c8c1f3964ae3f;hb=8c728daab202458bba567bb4e5c1d0cbe2f8ab9c;hp=fd323a66ffc42bc8a025ba4e6353f7e7a6c37acd;hpb=28c6df233b806a580281eb1ae242fa108af3eb09;p=bmusb

diff --git a/bmusb.cpp b/bmusb.cpp
index fd323a6..7c21082 100644
--- a/bmusb.cpp
+++ b/bmusb.cpp
@@ -1011,10 +1011,10 @@ libusb_device_handle *open_card(unsigned card_index, libusb_device *dev, string
 
 }  // namespace
 
-int BMUSBCapture::num_cards()
+unsigned BMUSBCapture::num_cards()
 {
 	vector<USBCardDevice> found_cards = find_all_cards();
-	int ret = found_cards.size();
+	unsigned ret = found_cards.size();
 	for (size_t i = 0; i < found_cards.size(); ++i) {
 		libusb_unref_device(found_cards[i].device);
 	}