diff options
| author | Akinobu Mita <akinobu.mita@gmail.com> | 2012-12-17 16:04:35 -0800 |
|---|---|---|
| committer | Artem Bityutskiy <artem.bityutskiy@linux.intel.com> | 2013-02-22 10:12:28 +0200 |
| commit | 4377a3bae6866da5416d15ebe8aefd659ff618dc (patch) | |
| tree | a9bda268254d1b6c4f8a21c9bd131d343e285a00 /fs | |
| parent | 141b74db72a4f04dcee8cd59275f191a4e1cefd2 (diff) | |
ubifs: use prandom_bytes
This also converts filling memory loop to use memset.
Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Cc: Artem Bityutskiy <dedekind1@gmail.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: "Theodore Ts'o" <tytso@mit.edu>
Cc: David Laight <david.laight@aculab.com>
Cc: David Woodhouse <dwmw2@infradead.org>
Cc: Eilon Greenstein <eilong@broadcom.com>
Cc: Michel Lespinasse <walken@google.com>
Cc: Robert Love <robert.w.love@intel.com>
Cc: Valdis Kletnieks <valdis.kletnieks@vt.edu>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/ubifs/debug.c | 8 |
1 files changed, 3 insertions, 5 deletions
diff --git a/fs/ubifs/debug.c b/fs/ubifs/debug.c index 2714e02093a4..09164b6c27fa 100644 --- a/fs/ubifs/debug.c +++ b/fs/ubifs/debug.c @@ -2560,7 +2560,7 @@ static int power_cut_emulated(struct ubifs_info *c, int lnum, int write) 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 ubifs_info *c, const void *buf, 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; } |