jtag: drivers: with pointers, use NULL instead of 0

[openocd.git] / src / jtag / drivers / parport.c

diff --git a/src/jtag/drivers/parport.c b/src/jtag/drivers/parport.c
index f1687f231b2660d809ed989c6dec2bcbfe33e774..d26a51048fec10a1a2ed832581349933955493a0 100644 (file)
--- a/src/jtag/drivers/parport.c
+++ b/src/jtag/drivers/parport.c
@@ -1,4 +1,4 @@
-/* SPDX-License-Identifier: GPL-2.0-or-later */
+// SPDX-License-Identifier: GPL-2.0-or-later
 
 /***************************************************************************
  *   Copyright (C) 2005 by Dominic Rath                                    *
@@ -411,9 +411,13 @@ COMMAND_HANDLER(parport_handle_parport_cable_command)
                return ERROR_OK;
 
        /* only if the cable name wasn't overwritten by cmdline */
-       if (parport_cable == 0) {
+       if (!parport_cable) {
                /* REVISIT first verify that it's listed in cables[] ... */
                parport_cable = malloc(strlen(CMD_ARGV[0]) + sizeof(char));
+               if (!parport_cable) {
+                       LOG_ERROR("Out of memory");
+                       return ERROR_FAIL;
+               }
                strcpy(parport_cable, CMD_ARGV[0]);
        }