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| author |   Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> | 2012-08-16 22:06:55 +0200 |
|---|---|---|
| committer |   Rafael J. Wysocki <rjw@sisk.pl> | 2012-08-17 19:37:14 +0200 |
| commit | 3735d524da64b70b41c764359da36f88aded3610 (patch) | |
| tree | 6545a0abb9fa053e7ccfeae4e43fd3172e651f65 /tools/perf/util/scripting-engines/trace-event-python.c | |
| parent | cpuidle: Prevent null pointer dereference in cpuidle_coupled_cpu_notify (diff) | |
| download | wireguard-linux-3735d524da64b70b41c764359da36f88aded3610.tar.xz wireguard-linux-3735d524da64b70b41c764359da36f88aded3610.zip | |
intel_idle: Check cpu_idle_get_driver() for NULL before dereferencing it.
If the machine is booted without any cpu_idle driver set
(b/c disable_cpuidle() has been called) we should follow
other users of cpu_idle API and check the return value
for NULL before using it.
Reported-and-tested-by: Mark van Dijk <mark@internecto.net>
Suggested-by: Jan Beulich <JBeulich@suse.com>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Diffstat (limited to 'tools/perf/util/scripting-engines/trace-event-python.c')
0 files changed, 0 insertions, 0 deletions