usleep: do not check for usleep error, it should never fail

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

diff --git a/coreutils/usleep.c b/coreutils/usleep.c
index 67f94f7..2e4eb57 100644 (file)
--- a/coreutils/usleep.c
+++ b/coreutils/usleep.c
@@ -29,9 +29,7 @@ int usleep_main(int argc UNUSED_PARAM, char **argv)
                bb_show_usage();
        }
 
-       if (usleep(xatou(argv[1]))) {
-               bb_perror_nomsg_and_die();
-       }
+       usleep(xatou(argv[1]));
 
        return EXIT_SUCCESS;
 }