The patch titled
Subject: ubifs: use prandom_bytes
has been added to the -mm tree. Its filename is
ubifs-use-prandom_bytes.patch
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------------------------------------------------------
From: Akinobu Mita <akinobu.mita@xxxxxxxxx>
Subject: ubifs: use prandom_bytes
This also converts filling memory loop to use memset.
Signed-off-by: Akinobu Mita <akinobu.mita@xxxxxxxxx>
Cc: Artem Bityutskiy <dedekind1@xxxxxxxxx>
Cc: Adrian Hunter <adrian.hunter@xxxxxxxxx>
Cc: "Theodore Ts'o" <tytso@xxxxxxx>
Cc: David Laight <david.laight@xxxxxxxxxx>
Cc: David Woodhouse <dwmw2@xxxxxxxxxxxxx>
Cc: Eilon Greenstein <eilong@xxxxxxxxxxxx>
Cc: Michel Lespinasse <walken@xxxxxxxxxx>
Cc: Robert Love <robert.w.love@xxxxxxxxx>
Cc: Valdis Kletnieks <valdis.kletnieks@xxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
fs/ubifs/debug.c | 8 +++-----
1 file changed, 3 insertions(+), 5 deletions(-)
diff -puN fs/ubifs/debug.c~ubifs-use-prandom_bytes fs/ubifs/debug.c
--- a/fs/ubifs/debug.c~ubifs-use-prandom_bytes
+++ a/fs/ubifs/debug.c
@@ -2560,7 +2560,7 @@ static int power_cut_emulated(struct ubi
static int corrupt_data(const struct ubifs_info *c, const void *buf,
unsigned int len)
{
- unsigned int from, to, i, ffs = chance(1, 2);
+ unsigned int from, to, ffs = chance(1, 2);
unsigned char *p = (void *)buf;
from = random32() % (len + 1);
@@ -2571,11 +2571,9 @@ static int corrupt_data(const struct ubi
ffs ? "0xFFs" : "random data");
if (ffs)
- for (i = from; i < to; i++)
- p[i] = 0xFF;
+ memset(p + from, 0xFF, to - from);
else
- for (i = from; i < to; i++)
- p[i] = random32() % 0x100;
+ prandom_bytes(p + from, to - from);
return to;
}
_
Patches currently in -mm which might be from akinobu.mita@xxxxxxxxx are
linux-next.patch
random32-rename-random32-to-prandom.patch
prandom-introduce-prandom_bytes-and-prandom_bytes_state.patch
bnx2x-use-prandom_bytes.patch
mtd-nandsim-use-prandom_bytes.patch
ubifs-use-prandom_bytes.patch
mtd-mtd_nandecctest-use-prandom_bytes-instead-of-get_random_bytes.patch
mtd-mtd_oobtest-convert-to-use-prandom-library.patch
mtd-mtd_pagetest-convert-to-use-prandom-library.patch
mtd-mtd_speedtest-use-prandom_bytes.patch
mtd-mtd_subpagetest-convert-to-use-prandom-library.patch
mtd-mtd_stresstest-use-prandom_bytes.patch
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