idevicebackup2: make sure -1 is returned if invalid arguments are passed

1 files changed, 6 insertions, 6 deletions

diff --git a/tools/idevicebackup2.c b/tools/idevicebackup2.c
index bcaad5c..b850329 100644
--- a/tools/idevicebackup2.c
+++ b/tools/idevicebackup2.c
@@ -1312,7 +1312,7 @@ int main(int argc, char *argv[])
                         i++;
                         if (!argv[i] || (strlen(argv[i]) != 40)) {
                                 print_usage(argc, argv);
-                                return 0;
+                                return -1;
                         }
                         udid = strdup(argv[i]);
                         continue;
@@ -1321,7 +1321,7 @@ int main(int argc, char *argv[])
                         i++;
                         if (!argv[i] || (strlen(argv[i]) != 40)) {
                                 print_usage(argc, argv);
-                                return 0;
+                                return -1;
                         }
                         source_udid = strdup(argv[i]);
                         continue;
@@ -1355,7 +1355,7 @@ int main(int argc, char *argv[])
                         i++;
                         if (!argv[i]) {
                                 print_usage(argc, argv);
-                                return 0;
+                                return -1;
                         }
                         if (backup_password)
                                 free(backup_password);
@@ -1379,7 +1379,7 @@ int main(int argc, char *argv[])
                         if (!argv[i]) {
                                 printf("No argument given for encryption command; requires either 'on' or 'off'.\n");
                                 print_usage(argc, argv);
-                                return 0;       
+                                return -1;      
                         }
                         if (!strcmp(argv[i], "on")) {
                                 cmd_flags |= CMD_FLAG_ENCRYPTION_ENABLE;        
@@ -1426,7 +1426,7 @@ int main(int argc, char *argv[])
                                 if (!argv[i]) {
                                         printf("Old and new passwords have to be passed as arguments for the changepw command\n");
                                         print_usage(argc, argv);
-                                        return 0;
+                                        return -1;
                                 }
                                 newpw = strdup(argv[i]);
                         }
@@ -1437,7 +1437,7 @@ int main(int argc, char *argv[])
                 }
                 else {
                         print_usage(argc, argv);
-                        return 0;
+                        return -1;
                 }
         }