From: Robin Murphy robin.murphy@arm.com
[ Upstream commit 71e0cb32d5fc61468e83ed962379af71bba8237e ]
ARM_CSPMU_EVENT_ATTR() defines a struct perf_pmu_events_attr, so arm_cspmu_sysfs_event_show() should not be interpreting it as struct dev_ext_attribute.
Fixes: e37dfd65731d ("perf: arm_cspmu: Add support for ARM CoreSight PMU driver") Reviewed-by: Suzuki K Poulose suzuki.poulose@arm.com Reviewed-and-tested-by: Ilkka Koskinen ilkka@os.amperecomputing.com Signed-off-by: Robin Murphy robin.murphy@arm.com Link: https://lore.kernel.org/r/27c0804af64007b2400abbc40278f642ee6a0a29.168598327... Signed-off-by: Will Deacon will@kernel.org Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/perf/arm_cspmu/arm_cspmu.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/drivers/perf/arm_cspmu/arm_cspmu.c b/drivers/perf/arm_cspmu/arm_cspmu.c index c1b6f4bdb04af..35d2fe33a7b6f 100644 --- a/drivers/perf/arm_cspmu/arm_cspmu.c +++ b/drivers/perf/arm_cspmu/arm_cspmu.c @@ -189,10 +189,10 @@ static inline bool use_64b_counter_reg(const struct arm_cspmu *cspmu) ssize_t arm_cspmu_sysfs_event_show(struct device *dev, struct device_attribute *attr, char *buf) { - struct dev_ext_attribute *eattr = - container_of(attr, struct dev_ext_attribute, attr); - return sysfs_emit(buf, "event=0x%llx\n", - (unsigned long long)eattr->var); + struct perf_pmu_events_attr *pmu_attr; + + pmu_attr = container_of(attr, typeof(*pmu_attr), attr); + return sysfs_emit(buf, "event=0x%llx\n", pmu_attr->id); } EXPORT_SYMBOL_GPL(arm_cspmu_sysfs_event_show);