diff options
| -rw-r--r-- | include/usage.h | 2 | ||||
| -rw-r--r-- | miscutils/hdparm.c | 6 |
2 files changed, 4 insertions, 4 deletions
diff --git a/include/usage.h b/include/usage.h index 9bdfb3f..0349f69 100644 --- a/include/usage.h +++ b/include/usage.h @@ -994,7 +994,7 @@ USE_FEATURE_DATE_ISOFMT( \ #define hdparm_trivial_usage \ "[options] [device] .." #define hdparm_full_usage \ - USE_FEATURE_HDPARM_GET_IDENTITY("\tIf no device name is specified read from stdin.\n") \ + USE_FEATURE_HDPARM_GET_IDENTITY("\tIf no device name is specified try to read from stdin.\n") \ "\nOptions:\n" \ "\t-a get/set fs readahead\n" \ "\t-A set drive read-lookahead flag (0/1)\n" \ diff --git a/miscutils/hdparm.c b/miscutils/hdparm.c index 5703ece..512995a 100644 --- a/miscutils/hdparm.c +++ b/miscutils/hdparm.c @@ -2185,11 +2185,11 @@ int hdparm_main(int argc, char **argv) argc -= optind; argv += optind; -#if ENABLE_FEATURE_HDPARM_GET_IDENTITY if (argc < 1) { - identify_from_stdin(); /* EXIT */ + if (ENABLE_FEATURE_HDPARM_GET_IDENTITY && !isatty(STDIN_FILENO)) + identify_from_stdin(); /* EXIT */ + else bb_show_usage(); } -#endif while (argc--) { process_dev(*argv); |