commander: Fixed compile error and some stupidity in usage of path names

src/modules/commander/state_machine_helper.cpp

@@ -44,6 +44,7 @@
 #include <stdbool.h>
 #include <dirent.h>
 #include <fcntl.h>
+#include <string.h>
 
 #include <uORB/uORB.h>
 #include <uORB/topics/vehicle_status.h>
@@ -341,37 +342,52 @@ int hil_state_transition(hil_state_t new_state, int status_pub, struct vehicle_s
 				if (d) {
 
 					struct dirent	*direntry;
+					char devname[24];
 
 					while ((direntry = readdir(d)) != NULL) {
 
-						int sensfd = ::open(direntry->d_name, 0);
-
-						if (sensfd < 0) {
-							warn("failed opening device");
-							return 1;
-						}
-
 						/* skip serial ports */
-						if (!strncmp("tty", direntry-d_name, 3)) {
+						if (!strncmp("tty", direntry->d_name, 3)) {
 							continue;
 						}
 						/* skip mtd devices */
-						if (!strncmp("mtd", direntry-d_name, 3)) {
+						if (!strncmp("mtd", direntry->d_name, 3)) {
 							continue;
 						}
 						/* skip ram devices */
-						if (!strncmp("ram", direntry-d_name, 3)) {
+						if (!strncmp("ram", direntry->d_name, 3)) {
+							continue;
+						}
+						/* skip MMC devices */
+						if (!strncmp("mmc", direntry->d_name, 3)) {
 							continue;
 						}
 						/* skip mavlink */
-						if (!strcmp("mavlink", direntry-d_name)) {
+						if (!strcmp("mavlink", direntry->d_name)) {
+							continue;
+						}
+						/* skip console */
+						if (!strcmp("console", direntry->d_name)) {
+							continue;
+						}
+						/* skip null */
+						if (!strcmp("null", direntry->d_name)) {
+							continue;
+						}
+
+						snprintf(devname, sizeof(devname), "/dev/%s", direntry->d_name);
+
+						int sensfd = ::open(devname, 0);
+
+						if (sensfd < 0) {
+							warn("failed opening device %s", devname);
 							continue;
 						}
 
 						int block_ret = ::ioctl(sensfd, DEVIOCSPUBBLOCK, 1);
 						close(sensfd);
 
-						printf("Disabling %s: %s\n", direntry->d_name, (block_ret == OK) ? "OK" : "ERROR");
+						printf("Disabling %s: %s\n", devname, (block_ret == OK) ? "OK" : "ERROR");
 					}
 
 					closedir(d);