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Diffstat (limited to 'arch/powerpc/platforms/powernv/opal-imc.c')
-rw-r--r--arch/powerpc/platforms/powernv/opal-imc.c22
1 files changed, 19 insertions, 3 deletions
diff --git a/arch/powerpc/platforms/powernv/opal-imc.c b/arch/powerpc/platforms/powernv/opal-imc.c
index 2a14fda5ea260..58a07948c76e7 100644
--- a/arch/powerpc/platforms/powernv/opal-imc.c
+++ b/arch/powerpc/platforms/powernv/opal-imc.c
@@ -115,8 +115,10 @@ static int imc_get_mem_addr_nest(struct device_node *node,
return -ENOMEM;
chipid_arr = kcalloc(nr_chips, sizeof(*chipid_arr), GFP_KERNEL);
- if (!chipid_arr)
+ if (!chipid_arr) {
+ kfree(base_addr_arr);
return -ENOMEM;
+ }
if (of_property_read_u32_array(node, "chip-id", chipid_arr, nr_chips))
goto error;
@@ -143,7 +145,6 @@ static int imc_get_mem_addr_nest(struct device_node *node,
return 0;
error:
- kfree(pmu_ptr->mem_info);
kfree(base_addr_arr);
kfree(chipid_arr);
return -1;
@@ -183,8 +184,14 @@ static int imc_pmu_create(struct device_node *parent, int pmu_index, int domain)
/* Function to register IMC pmu */
ret = init_imc_pmu(parent, pmu_ptr, pmu_index);
- if (ret)
+ if (ret) {
pr_err("IMC PMU %s Register failed\n", pmu_ptr->pmu.name);
+ kfree(pmu_ptr->pmu.name);
+ if (pmu_ptr->domain == IMC_DOMAIN_NEST)
+ kfree(pmu_ptr->mem_info);
+ kfree(pmu_ptr);
+ return ret;
+ }
return 0;
@@ -248,6 +255,7 @@ static int opal_imc_counters_probe(struct platform_device *pdev)
{
struct device_node *imc_dev = pdev->dev.of_node;
int pmu_count = 0, domain;
+ bool core_imc_reg = false, thread_imc_reg = false;
u32 type;
/*
@@ -285,6 +293,10 @@ static int opal_imc_counters_probe(struct platform_device *pdev)
if (!imc_pmu_create(imc_dev, pmu_count, domain)) {
if (domain == IMC_DOMAIN_NEST)
pmu_count++;
+ if (domain == IMC_DOMAIN_CORE)
+ core_imc_reg = true;
+ if (domain == IMC_DOMAIN_THREAD)
+ thread_imc_reg = true;
}
}
@@ -292,6 +304,10 @@ static int opal_imc_counters_probe(struct platform_device *pdev)
if (pmu_count == 0)
debugfs_remove_recursive(imc_debugfs_parent);
+ /* If core imc is not registered, unregister thread-imc */
+ if (!core_imc_reg && thread_imc_reg)
+ unregister_thread_imc();
+
return 0;
}