X-Git-Url: https://review.openocd.org/gitweb?p=openocd.git;a=blobdiff_plain;f=src%2Fjtag%2Fdrivers%2Flibusb0_common.c;h=14a8b61cc42617eb740ec9a0e358e4a2bdf00aba;hp=9cf85b70e9ff2a3382bd7adc079072342b42a112;hb=3792f3c114ee22eabe202427e948053828ca28a5;hpb=bf7a363b44f303f2eee73e825ba989738cf8b45d

diff --git a/src/jtag/drivers/libusb0_common.c b/src/jtag/drivers/libusb0_common.c
index 9cf85b70e9..14a8b61cc4 100644
--- a/src/jtag/drivers/libusb0_common.c
+++ b/src/jtag/drivers/libusb0_common.c
@@ -68,6 +68,7 @@ int jtag_libusb_open(const uint16_t vids[], const uint16_t pids[],
 		struct jtag_libusb_device_handle **out)
 {
 	int retval = ERROR_FAIL;
+	bool serial_mismatch = false;
 	struct jtag_libusb_device_handle *libusb_handle;
 	usb_init();
 
@@ -90,14 +91,20 @@ int jtag_libusb_open(const uint16_t vids[], const uint16_t pids[],
 			/* Device must be open to use libusb_get_string_descriptor_ascii. */
 			if (serial != NULL &&
 					!string_descriptor_equal(libusb_handle, dev->descriptor.iSerialNumber, serial)) {
+				serial_mismatch = true;
 				usb_close(libusb_handle);
 				continue;
 			}
 			*out = libusb_handle;
 			retval = ERROR_OK;
+			serial_mismatch = false;
 			break;
 		}
 	}
+
+	if (serial_mismatch)
+		LOG_INFO("No device matches the serial string");
+
 	return retval;
 }