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path: root/fs/ubifs/debug.c
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Diffstat (limited to 'fs/ubifs/debug.c')
-rw-r--r--fs/ubifs/debug.c16
1 files changed, 7 insertions, 9 deletions
diff --git a/fs/ubifs/debug.c b/fs/ubifs/debug.c
index 62911637e12f..7f60e900edff 100644
--- a/fs/ubifs/debug.c
+++ b/fs/ubifs/debug.c
@@ -2459,7 +2459,7 @@ error_dump:
static inline int chance(unsigned int n, unsigned int out_of)
{
- return !!((random32() % out_of) + 1 <= n);
+ return !!((prandom_u32() % out_of) + 1 <= n);
}
@@ -2477,13 +2477,13 @@ static int power_cut_emulated(struct ubifs_info *c, int lnum, int write)
if (chance(1, 2)) {
d->pc_delay = 1;
/* Fail withing 1 minute */
- delay = random32() % 60000;
+ delay = prandom_u32() % 60000;
d->pc_timeout = jiffies;
d->pc_timeout += msecs_to_jiffies(delay);
ubifs_warn("failing after %lums", delay);
} else {
d->pc_delay = 2;
- delay = random32() % 10000;
+ delay = prandom_u32() % 10000;
/* Fail within 10000 operations */
d->pc_cnt_max = delay;
ubifs_warn("failing after %lu calls", delay);
@@ -2560,10 +2560,10 @@ 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);
+ from = prandom_u32() % (len + 1);
/* Corruption may only span one max. write unit */
to = min(len, ALIGN(from, c->max_write_size));
@@ -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;
}