X-Git-Url: https://git.kernel.dk/?p=fio.git;a=blobdiff_plain;f=filesetup.c;h=d55af45404af36ab8d1204479d844d5525bc7adb;hp=8f515923bcf9b25c725c9d9a3e94ed2ecb1711a3;hb=ceadd59ef93421001530aa765d928e9e8c26b32e;hpb=40c5db35d99d7b5069e5d0ecd9e7cc29add9fae6

diff --git a/filesetup.c b/filesetup.c
index 8f515923..d55af454 100644
--- a/filesetup.c
+++ b/filesetup.c
@@ -849,11 +849,15 @@ int init_random_map(struct thread_data *td)
 				(unsigned long long) td->o.rw_min_bs;
 		num_maps = (blocks + BLOCKS_PER_MAP - 1) /
 				(unsigned long long) BLOCKS_PER_MAP;
-		f->file_map = smalloc(num_maps * sizeof(unsigned long));
-		if (f->file_map) {
-			f->num_maps = num_maps;
-			continue;
-		}
+		if (num_maps == (unsigned long) num_maps) {
+			f->file_map = smalloc(num_maps * sizeof(unsigned long));
+			if (f->file_map) {
+				f->num_maps = num_maps;
+				continue;
+			}
+		} else
+			f->file_map = NULL;
+
 		if (!td->o.softrandommap) {
 			log_err("fio: failed allocating random map. If running"
 				" a large number of jobs, try the 'norandommap'"