USB: serial: ti_usb_3410_5052: use strscpy() instead of strcpy()

Use a safer function strscpy() instead of strcpy() for copying to
arrays.

Only idiomatic code replacement, and no functional changes.

Signed-off-by: Ai Chao <aichao@kylinos.cn>
Signed-off-by: Johan Hovold <johan@kernel.org>

Author: TomAi0

drivers/usb/serial/ti_usb_3410_5052.c

@@ -1600,29 +1600,29 @@ static int ti_download_firmware(struct ti_device *tdev)
 		if (le16_to_cpu(dev->descriptor.idVendor) == MTS_VENDOR_ID) {
 			switch (le16_to_cpu(dev->descriptor.idProduct)) {
 			case MTS_CDMA_PRODUCT_ID:
-				strcpy(buf, "mts_cdma.fw");
+				strscpy(buf, "mts_cdma.fw");
 				break;
 			case MTS_GSM_PRODUCT_ID:
-				strcpy(buf, "mts_gsm.fw");
+				strscpy(buf, "mts_gsm.fw");
 				break;
 			case MTS_EDGE_PRODUCT_ID:
-				strcpy(buf, "mts_edge.fw");
+				strscpy(buf, "mts_edge.fw");
 				break;
 			case MTS_MT9234MU_PRODUCT_ID:
-				strcpy(buf, "mts_mt9234mu.fw");
+				strscpy(buf, "mts_mt9234mu.fw");
 				break;
 			case MTS_MT9234ZBA_PRODUCT_ID:
-				strcpy(buf, "mts_mt9234zba.fw");
+				strscpy(buf, "mts_mt9234zba.fw");
 				break;
 			case MTS_MT9234ZBAOLD_PRODUCT_ID:
-				strcpy(buf, "mts_mt9234zba.fw");
+				strscpy(buf, "mts_mt9234zba.fw");
 				break;			}
 		}
 		if (buf[0] == '\0') {
 			if (tdev->td_is_3410)
-				strcpy(buf, "ti_3410.fw");
+				strscpy(buf, "ti_3410.fw");
 			else
-				strcpy(buf, "ti_5052.fw");
+				strscpy(buf, "ti_5052.fw");
 		}
 		status = request_firmware(&fw_p, buf, &dev->dev);
 	}