Stefan Wahren 63fb0a9516 drivers/perf: arm_pmu: Fix NULL pointer dereference during probe ... Patch 7f1d642fbb ("drivers/perf: arm-pmu: Fix handling of SPI lacking interrupt-affinity property") unintended also fixes perf_event support for bcm2835 which doesn't have PMU interrupts. Unfortunately this change introduce a NULL pointer dereference on bcm2835, because irq_is_percpu always expected to be called with a valid IRQ. So fix this regression by validating the IRQ before. Tested-by: Kevin Hilman <khilman@baylibre.com> Signed-off-by: Stefan Wahren <stefan.wahren@i2se.com> Fixes: 7f1d642fbb ("drivers/perf: arm-pmu: Fix handling of SPI lacking "interrupt-affinity" property") Signed-off-by: Will Deacon <will.deacon@arm.com> Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>		2016-09-02 17:17:52 +01:00
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arm_pmu.c	drivers/perf: arm_pmu: Fix NULL pointer dereference during probe	2016-09-02 17:17:52 +01:00