patch from Honza Horak using Coverity's static analysis tool.

example/audio.c

@@ -335,6 +335,7 @@ main(int argc, char *argv[])
 	i_volume_level = atoi(optarg);
 	todo = SET_VOLUME;
       }
+      break;
     case 't':
       if (NULL != (h = strchr(optarg,'-'))) {
 	*h = 0;

example/mmc2a.c

@@ -40,7 +40,7 @@
 
 static void 
 print_mode_sense (const char *psz_drive, const char *six_or_ten,
-		  const uint8_t buf[22])
+		  const uint8_t buf[30])
 {
   printf("Mode sense %s information for %s:\n", six_or_ten, psz_drive);
   if (buf[2] & 0x01) {
@@ -210,7 +210,7 @@ main(int argc, const char *argv[])
     printf("Couldn't find CD\n");
     return 77;
   } else {
-    uint8_t buf[22] = { 0, };    /* Place to hold returned data */
+    uint8_t buf[30] = { 0, };    /* Place to hold returned data */
     char *psz_cd = cdio_get_default_device(p_cdio);
     if (DRIVER_OP_SUCCESS == mmc_mode_sense_6(p_cdio, buf, sizeof(buf),
 					      CDIO_MMC_CAPABILITIES_PAGE) ) {

example/paranoia.c

@@ -131,6 +131,10 @@ main(int argc, const char *argv[])
       track_t i_track    = cdda_sector_gettrack(d, i_first_lsn);
       lsn_t   i_last_lsn = cdda_track_lastsector(d, i_track);
       int     fd         = creat("track1s.wav", 0644);
+      if (-1 == fd) {
+        printf("Unable to create track1s.wav\n");
+        exit(1);
+      }
 
       /* For demo purposes we'll read only 300 frames (about 4
 	 seconds).  We don't want this to take too long. On the other