From: Michael Ellerman <michael@ellerman.id.au>
Date: Tue, 12 Jan 2010 21:10:56 +0000 (+0000)
Subject: powerpc/iseries: Initialise on-stack completion
X-Git-Tag: v2.6.33-rc5~21^2~6
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=b0ff153cd6228b2502e1c3ce5e226b82ae4e0679;p=pandora-kernel.git

powerpc/iseries: Initialise on-stack completion

get_viotape_info() declares a vio_waitevent on the stack, which
contains a completion, but never initialises the completion.

I have no idea how this ever worked, and on recent kernels it causes
an oops in handle_tape_event() when we access the non-initialised
completion.

Signed-off-by: Michael Ellerman <michael@ellerman.id.au>
Acked-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
---

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