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perf_events: Fix bogus copy_to_user() in perf_event_read_group()
authorStephane Eranian <eranian@google.com>
Tue, 24 Nov 2009 05:40:49 +0000 (21:40 -0800)
committerIngo Molnar <mingo@elte.hu>
Tue, 24 Nov 2009 07:55:27 +0000 (08:55 +0100)
commit184d3da8ef0ca552dffa0fdd35c046e058a2cf9a
tree4f7bc687cea6ce6ee13a8beec59d8ae7081dfb64tree | snapshot (tar.gz zip)
parentb23d5767a5818caec8547d0bce1588b02bdecd30commit | diff
perf_events: Fix bogus copy_to_user() in perf_event_read_group()

When using an event group, the value and id for non leaders events
were wrong due to invalid offset into the outgoing buffer.

Signed-off-by: Stephane Eranian <eranian@google.com>
Acked-by: Peter Zijlstra <peterz@infradead.org>
Cc: paulus@samba.org
Cc: perfmon2-devel@lists.sourceforge.net
LKML-Reference: <4b0b71e1.0508d00a.075e.ffff84a3@mx.google.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
kernel/perf_event.c diff | blob | blame | history