diff options
Diffstat (limited to 'util/nvmutil/nvmutil.c')
| -rw-r--r-- | util/nvmutil/nvmutil.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/util/nvmutil/nvmutil.c b/util/nvmutil/nvmutil.c index e07efbb3..846eb2c3 100644 --- a/util/nvmutil/nvmutil.c +++ b/util/nvmutil/nvmutil.c @@ -1036,6 +1036,14 @@ fallback_rand(void) ^ (unsigned long)&mix ^ counter++; + /* + * Stack addresses can vary between + * calls, thus increasing entropy. + */ + mix ^= (unsigned long)&mix; + mix ^= (unsigned long)&tv; + mix ^= (unsigned long)&counter; + return (uint16_t)(mix & 0xf); } |