zramctl: improve error message

Signed-off-by: Sami Kerola <kerolasa@iki.fi>

diff --git a/sys-utils/zramctl.c b/sys-utils/zramctl.c
index bdab4ad5928d3b347335d42d0420f52d558f0318..a8d0bbdd701f2ce925e703e7bbb7dd254b277d36 100644 (file)
--- a/sys-utils/zramctl.c
+++ b/sys-utils/zramctl.c
@@ -497,7 +497,7 @@ int main(int argc, char **argv)
                act = find ? A_FINDONLY : A_STATUS;
 
        if (act != A_RESET && optind + 1 < argc)
-               usage(stderr);          /* only --reset holds more devices */
+               errx(EXIT_FAILURE, _("only one <device> at a time is allowed"));
 
        switch (act) {
        case A_STATUS: