From: Peter Zijlstra <a.p.zijlstra@chello.nl>
Date: Mon, 21 Nov 2011 19:58:59 +0000 (+0100)
Subject: perf: Fix mmap_page::offset computation
X-Git-Tag: v3.4-rc1~192^2~25^2~4
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=365a4038486b57bb2bd516706a80f82f250f5306;p=pandora-kernel.git

perf: Fix mmap_page::offset computation

There's multiple reason the counter might be unavailable, change the
condition to !->index since perf_event_index() should return 0 for all
those cases.

Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/n/tip-1ixr3olci40w8rgv2evv2ldh@git.kernel.org
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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