hwrng: core - use rng_fillbuf in add_early_randomness()

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Using rng_buffer in add_early_randomness() may race with rng_dev_read().
Use rng_fillbuf instead, as it is otherwise only used within the kernel
by hwrng_fillfn() and therefore never exposed to userspace.

Cc: Matt Mackall <mpm@selenic.com>
Cc: Herbert Xu <herbert@gondor.apana.org.au>
Cc: Jason A. Donenfeld <Jason@zx2c4.com>
Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

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Dominik Brodowski 2022-01-24 21:29:48 +01:00 • committed by Herbert Xu

parent 6ff6304497

commit c05ac44944

1 changed files with 2 additions and 2 deletions

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drivers/char/hw_random/core.c

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