openocd: fix simple cases of NULL comparison

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

diff --git a/src/jtag/drivers/opendous.c b/src/jtag/drivers/opendous.c
index 82fcbc11950315c759cc696b481f01f7ba20adec..6881959c33761a348ae410b8fcf71e0e14a8d1b0 100644 (file)
--- a/src/jtag/drivers/opendous.c
+++ b/src/jtag/drivers/opendous.c
@@ -161,7 +161,7 @@ COMMAND_HANDLER(opendous_handle_opendous_type_command)
                return ERROR_OK;
 
        /* only if the cable name wasn't overwritten by cmdline */
-       if (opendous_type == NULL) {
+       if (!opendous_type) {
                /* REVISIT first verify that it's listed in cables[] ... */
                opendous_type = strdup(CMD_ARGV[0]);
        }
@@ -256,7 +256,7 @@ static int opendous_execute_queue(void)
        enum scan_type type;
        uint8_t *buffer;
 
-       while (cmd != NULL) {
+       while (cmd) {
                switch (cmd->type) {
                        case JTAG_RUNTEST:
                                LOG_DEBUG_IO("runtest %i cycles, end in %i", cmd->cmd.runtest->num_cycles,
@@ -331,7 +331,7 @@ static int opendous_init(void)
 
        cur_opendous_probe = opendous_probes;
 
-       if (opendous_type == NULL) {
+       if (!opendous_type) {
                opendous_type = strdup("opendous");
                LOG_WARNING("No opendous_type specified, using default 'opendous'");
        }