Commit 1d5c47f5 authored by Alexander Inyukhin's avatar Alexander Inyukhin Committed by Greg Kroah-Hartman

USB: chaoskey read offset bug

Rng reads in chaoskey driver could return the same data under
the certain conditions.
Signed-off-by: default avatarAlexander Inyukhin <>
Cc: stable <>
Signed-off-by: default avatarGreg Kroah-Hartman <>
parent 8484bf29
......@@ -472,7 +472,7 @@ static int chaoskey_rng_read(struct hwrng *rng, void *data,
if (this_time > max)
this_time = max;
memcpy(data, dev->buf, this_time);
memcpy(data, dev->buf + dev->used, this_time);
dev->used += this_time;
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