X-Git-Url: https://git.kernel.dk/?a=blobdiff_plain;f=parse.c;h=745056bdc8186e54743d2fb688df926084c91853;hb=9599aaf191d6847010215e6ce0226994760b9f44;hp=7912212ecda47594bac999e8abbecdacaf81aeb1;hpb=209e10374bb57565f0a61286d1ed8effd50fa95c;p=fio.git

diff --git a/parse.c b/parse.c
index 7912212e..745056bd 100644
--- a/parse.c
+++ b/parse.c
@@ -17,6 +17,7 @@
 #include "options.h"
 #include "minmax.h"
 #include "lib/ieee754.h"
+#include "lib/pow2.h"
 
 #ifdef CONFIG_ARITHMETIC
 #include "y.tab.h"
@@ -521,6 +522,10 @@ static int __handle_option(struct fio_option *o, const char *ptr, void *data,
 
 		if (ret)
 			break;
+		if (o->pow2 && !is_power_of_2(ull)) {
+			log_err("%s: must be a power-of-2\n", o->name);
+			return 1;
+		}
 
 		if (o->maxval && ull > o->maxval) {
 			log_err("max value out of range: %llu"