X-Git-Url: https://review.openocd.org/gitweb?p=openocd.git;a=blobdiff_plain;f=src%2Fjtag%2Fdrivers%2Flibusb1_common.c;h=ec52a1bce272464b68c86405301efbf608620062;hp=a1db86f4bb9e05f08022cf9d593a9751d2a1d38e;hb=3792f3c114ee22eabe202427e948053828ca28a5;hpb=bf7a363b44f303f2eee73e825ba989738cf8b45d

diff --git a/src/jtag/drivers/libusb1_common.c b/src/jtag/drivers/libusb1_common.c
index a1db86f4bb..ec52a1bce2 100644
--- a/src/jtag/drivers/libusb1_common.c
+++ b/src/jtag/drivers/libusb1_common.c
@@ -72,6 +72,7 @@ int jtag_libusb_open(const uint16_t vids[], const uint16_t pids[],
 {
 	int cnt, idx, errCode;
 	int retval = ERROR_FAIL;
+	bool serial_mismatch = false;
 	struct jtag_libusb_device_handle *libusb_handle = NULL;
 
 	if (libusb_init(&jtag_libusb_context) < 0)
@@ -99,6 +100,7 @@ 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_desc.iSerialNumber, serial)) {
+			serial_mismatch = true;
 			libusb_close(libusb_handle);
 			continue;
 		}
@@ -106,10 +108,15 @@ int jtag_libusb_open(const uint16_t vids[], const uint16_t pids[],
 		/* Success. */
 		*out = libusb_handle;
 		retval = ERROR_OK;
+		serial_mismatch = false;
 		break;
 	}
 	if (cnt >= 0)
 		libusb_free_device_list(devs, 1);
+
+	if (serial_mismatch)
+		LOG_INFO("No device matches the serial string");
+
 	return retval;
 }