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Diffstat (limited to 'miscutils/readahead.c')
-rw-r--r--miscutils/readahead.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/miscutils/readahead.c b/miscutils/readahead.c
index fb71ce8..f3b21a2 100644
--- a/miscutils/readahead.c
+++ b/miscutils/readahead.c
@@ -13,11 +13,13 @@
#include "libbb.h"
int readahead_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
-int readahead_main(int argc, char **argv)
+int readahead_main(int argc UNUSED_PARAM, char **argv)
{
int retval = EXIT_SUCCESS;
- if (argc == 1) bb_show_usage();
+ if (!argv[1]) {
+ bb_show_usage();
+ }
while (*++argv) {
int fd = open_or_warn(*argv, O_RDONLY);