From: Amit Shah <amit.shah@redhat.com>
Date: Mon, 28 May 2012 06:48:40 +0000 (+0530)
Subject: virtio: rng: allow tasks to be killed that are waiting for rng input
X-Git-Tag: v3.6-rc1~43^2~8
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=cc8744e12936680478ce82b0f21dbaa272df1447;p=pandora-kernel.git

virtio: rng: allow tasks to be killed that are waiting for rng input

Use wait_for_completion_killable() instead of wait_for_completion() when
waiting for the host to send us entropy.  Without this,

  # cat /dev/hwrng
  ^C

just hangs.

Signed-off-by: Amit Shah <amit.shah@redhat.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
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