diff options
Diffstat (limited to 'random/rndhw.c')
| -rw-r--r-- | random/rndhw.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/random/rndhw.c b/random/rndhw.c index 8e507515..063c25a1 100644 --- a/random/rndhw.c +++ b/random/rndhw.c @@ -129,7 +129,7 @@ poll_padlock (void (*add)(const void*, size_t, enum random_origins), # define RDRAND_LONG RDRAND_INT # endif static inline int -rdrand_long (unsigned long *v) +rdrand_long (volatile unsigned long *v) { int ok; asm volatile ("1: " RDRAND_LONG "\n\t" @@ -145,7 +145,7 @@ rdrand_long (unsigned long *v) static inline int -rdrand_nlong (unsigned long *v, int count) +rdrand_nlong (volatile unsigned long *v, int count) { while (count--) if (!rdrand_long(v++)) @@ -157,12 +157,12 @@ rdrand_nlong (unsigned long *v, int count) static size_t poll_drng (add_fn_t add, enum random_origins origin, int fast) { - volatile char buffer[64] __attribute__ ((aligned (8))); + volatile unsigned long buffer[8] __attribute__ ((aligned (8))); unsigned int nbytes = sizeof (buffer); (void)fast; - if (!rdrand_nlong ((unsigned long *)buffer, sizeof(buffer)/sizeof(long))) + if (!rdrand_nlong (buffer, DIM(buffer))) return 0; (*add)((void *)buffer, nbytes, origin); return nbytes; |