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authorThomas Gleixner <tglx@linutronix.de>2017-02-16 19:51:27 +0100
committerThomas Gleixner <tglx@linutronix.de>2017-02-16 19:51:27 +0100
commit5b1ad68f9b1951ef78312d2935906cc8a8bd2e12 (patch)
treee81b71c961e885cef0d3992e083acec845166870 /drivers/char/hw_random/core.c
parent1013fe32a63d1139b1b32049ea46c0c462738d8b (diff)
parent7089db84e356562f8ba737c29e472cc42d530dbc (diff)
Merge branch 'linus' into x86/mm
Make sure to get the latest fixes before applying the ptdump enhancements.
Diffstat (limited to 'drivers/char/hw_random/core.c')
-rw-r--r--drivers/char/hw_random/core.c3
1 files changed, 0 insertions, 3 deletions
diff --git a/drivers/char/hw_random/core.c b/drivers/char/hw_random/core.c
index 6ce5ce8be2f2..87fba424817e 100644
--- a/drivers/char/hw_random/core.c
+++ b/drivers/char/hw_random/core.c
@@ -92,7 +92,6 @@ static void add_early_randomness(struct hwrng *rng)
mutex_unlock(&reading_mutex);
if (bytes_read > 0)
add_device_randomness(rng_buffer, bytes_read);
- memset(rng_buffer, 0, size);
}
static inline void cleanup_rng(struct kref *kref)
@@ -288,7 +287,6 @@ static ssize_t rng_dev_read(struct file *filp, char __user *buf,
}
}
out:
- memset(rng_buffer, 0, rng_buffer_size());
return ret ? : err;
out_unlock_reading:
@@ -427,7 +425,6 @@ static int hwrng_fillfn(void *unused)
/* Outside lock, sure, but y'know: randomness. */
add_hwgenerator_randomness((void *)rng_fillbuf, rc,
rc * current_quality * 8 >> 10);
- memset(rng_fillbuf, 0, rng_buffer_size());
}
hwrng_fill = NULL;
return 0;