diff --git a/[refs] b/[refs]
index 6cfae93a354d..d62ab2e9b09d 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: a312b78b0ad6abb38f606ef5dd31e2a1b4469989
+refs/heads/master: 4debec7abc59830f3fecd9022d07d1d19a676238
diff --git a/trunk/drivers/mtd/tests/mtd_stresstest.c b/trunk/drivers/mtd/tests/mtd_stresstest.c
index 3729f679ae5d..2d7e6cffd6d4 100644
--- a/trunk/drivers/mtd/tests/mtd_stresstest.c
+++ b/trunk/drivers/mtd/tests/mtd_stresstest.c
@@ -282,8 +282,7 @@ static int __init mtd_stresstest_init(void)
 	}
 	for (i = 0; i < ebcnt; i++)
 		offsets[i] = mtd->erasesize;
-	for (i = 0; i < bufsize; i++)
-		writebuf[i] = random32();
+	prandom_bytes(writebuf, bufsize);
 
 	err = scan_for_bad_eraseblocks();
 	if (err)