openocd: fix simple cases of NULL comparison

[fw/openocd] / src / jtag / drivers / libusb_helper.c

diff --git a/src/jtag/drivers/libusb_helper.c b/src/jtag/drivers/libusb_helper.c
index e214eb701259e68d25a5977a00945ed7319818b4..33f680cc66cfc835c3c93fe182266860241a651d 100644 (file)
--- a/src/jtag/drivers/libusb_helper.c
+++ b/src/jtag/drivers/libusb_helper.c
@@ -138,7 +138,7 @@ static bool jtag_libusb_match_serial(struct libusb_device_handle *device,
        char *alternate_serial = adapter_get_alternate_serial(device, dev_desc);
 
        /* check possible failures */
-       if (alternate_serial == NULL)
+       if (!alternate_serial)
                return false;
 
        /* then compare and free the alternate serial */