tools/power/x86/intel-speed-select: Print friendly warning for bad command line

When user specifies invalid option, display "Unknown Option: ignore",
instead of "no match". Also display error for garbage on the command
line.

Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>

diff --git a/tools/power/x86/intel-speed-select/isst-config.c b/tools/power/x86/intel-speed-select/isst-config.c
index 2a81fb881f04ba3864500ccaf33689958716260b..924cb871d6d2fdb825db1069838225b2a7482dc2 100644 (file)
--- a/tools/power/x86/intel-speed-select/isst-config.c
+++ b/tools/power/x86/intel-speed-select/isst-config.c
@@ -2400,9 +2400,12 @@ static void parse_cmd_args(int argc, int start, char **argv)
                        }
                        break;
                default:
-                       printf("no match\n");
+                       printf("Unknown option: ignore\n");
                }
        }
+
+       if (argv[optind])
+               printf("Garbage at the end of command: ignore\n");
 }
 
 static void isst_help(void)