Merge "Simplify the exit conditions for dumpstate" am: ee7e30bc92 am: a319fb22fe
am: 8c1cafb1aa

Change-Id: I308d1dcce0db8b037742e48fcfe57c1c2f2bdd87
diff --git a/cmds/dumpstate/dumpstate.cpp b/cmds/dumpstate/dumpstate.cpp
index 8a05c43..47c4f62 100644
--- a/cmds/dumpstate/dumpstate.cpp
+++ b/cmds/dumpstate/dumpstate.cpp
@@ -1701,7 +1701,7 @@
     printf("*** See dumpstate-board.txt entry ***\n");
 }
 
-static void ShowUsageAndExit(int exit_code = 1) {
+static void ShowUsage() {
     fprintf(stderr,
             "usage: dumpstate [-h] [-b soundfile] [-e soundfile] [-o file] [-d] [-p] "
             "[-z]] [-s] [-S] [-q] [-B] [-P] [-R] [-V version]\n"
@@ -1721,12 +1721,6 @@
             "  -R: take bugreport in remote mode (requires -o, -z, -d and -B, "
             "shouldn't be used with -P)\n"
             "  -v: prints the dumpstate header and exit\n");
-    exit(exit_code);
-}
-
-static void ExitOnInvalidArgs() {
-    fprintf(stderr, "invalid combination of args\n");
-    ShowUsageAndExit();
 }
 
 static void register_sig_handler() {
@@ -2523,17 +2517,18 @@
 
     switch (status) {
         case Dumpstate::RunStatus::OK:
-            return 0;
-            // TODO(b/111441001): Exit directly in the following cases.
+            exit(0);
         case Dumpstate::RunStatus::HELP:
-            ShowUsageAndExit(0 /* exit code */);
-            break;
+            ShowUsage();
+            exit(0);
         case Dumpstate::RunStatus::INVALID_INPUT:
-            ExitOnInvalidArgs();
-            break;
+            fprintf(stderr, "Invalid combination of args\n");
+            ShowUsage();
+            exit(1);
         case Dumpstate::RunStatus::ERROR:
-            exit(-1);
-            break;
+            exit(2);
+        default:
+            fprintf(stderr, "Unknown status: %d\n", status);
+            exit(2);
     }
-    return 0;
 }