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

[openocd.git] / src / jtag / drivers / at91rm9200.c

diff --git a/src/jtag/drivers/at91rm9200.c b/src/jtag/drivers/at91rm9200.c
index 08daa004bf8ce3e16c47ff58ca26f65582529bbb..ba9ee5e34d22b96e502cfa15c2ff0d46d494c847 100644 (file)
--- a/src/jtag/drivers/at91rm9200.c
+++ b/src/jtag/drivers/at91rm9200.c
@@ -107,7 +107,7 @@ static int at91rm9200_quit(void);
 static struct bitbang_interface at91rm9200_bitbang = {
        .read = at91rm9200_read,
        .write = at91rm9200_write,
-       .blink = 0
+       .blink = NULL,
 };
 
 static bb_value_t at91rm9200_read(void)
@@ -157,8 +157,12 @@ COMMAND_HANDLER(at91rm9200_handle_device_command)
                return ERROR_COMMAND_SYNTAX_ERROR;
 
        /* only if the device name wasn't overwritten by cmdline */
-       if (at91rm9200_device == 0) {
+       if (!at91rm9200_device) {
                at91rm9200_device = malloc(strlen(CMD_ARGV[0]) + sizeof(char));
+               if (!at91rm9200_device) {
+                       LOG_ERROR("Out of memory");
+                       return ERROR_FAIL;
+               }
                strcpy(at91rm9200_device, CMD_ARGV[0]);
        }