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authorDaniel Vetter <[email protected]>2017-02-26 20:34:42 +0000
committerDaniel Vetter <[email protected]>2017-02-26 20:34:42 +0000
commit8e22e1b3499a446df48c2b26667ca36c55bf864c (patch)
tree5329f98b3eb3c95a9dcbab0fa4f9b6e62f0e788d /drivers/char/hw_random/core.c
parentdrm: Add name for DRM_DP_DUAL_MODE_LSPCON (diff)
parentlib/Kconfig: make PRIME_NUMBERS not user selectable. (diff)
downloadkernel-8e22e1b3499a446df48c2b26667ca36c55bf864c.tar.gz
kernel-8e22e1b3499a446df48c2b26667ca36c55bf864c.zip
Merge airlied/drm-next into drm-misc-next
Backmerge the main pull request to sync up with all the newly landed drivers. Otherwise we'll have chaos even before 4.12 started in earnest. Signed-off-by: Daniel Vetter <[email protected]>
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;