From: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
Date: Fri, 14 Nov 2008 22:47:42 +0000 (-0500)
Subject: tracepoints: fix disable
X-Git-Tag: v2.6.29-rc1~586^2~58^3~9
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=de0baf9ad661ac630a45a50ea1717cc4f4b33ace;p=pandora-kernel.git

tracepoints: fix disable

Impact: fix race

Set the probe array pointer to NULL when the tracepoint is disabled.
The probe array point not being NULL could generate a race condition
where the reader would dereference a freed pointer.

Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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