hwrng: Return errors to upper levels in pseries-rng.c
authorMichael Ellerman <michael@ellerman.id.au>
Wed, 25 Sep 2013 09:24:17 +0000 (19:24 +1000)
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>
Fri, 11 Oct 2013 05:50:18 +0000 (16:50 +1100)
commitf95dabef4c70e27e5114f4802fe6234ff82ce406
treefcdceb2c6f6159c93b8c238e46c880b79bb47b22
parent41b93b238ab394c8cf0935ec3ba31c700a2b3b25
hwrng: Return errors to upper levels in pseries-rng.c

We don't expect to get errors from the hypervisor when reading the rng,
but if we do we should pass the error up to the hwrng driver. Otherwise
the hwrng driver will continue calling us forever.

Signed-off-by: Michael Ellerman <michael@ellerman.id.au>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
drivers/char/hw_random/pseries-rng.c