diff options
| -rw-r--r-- | arch/riscv/kernel/cacheinfo.c | 11 | ||||
| -rw-r--r-- | arch/riscv/kernel/cpu.c | 1 | ||||
| -rw-r--r-- | arch/riscv/kernel/cpufeature.c | 2 | ||||
| -rw-r--r-- | arch/riscv/kernel/perf_event.c | 1 | ||||
| -rw-r--r-- | arch/riscv/kernel/smpboot.c | 6 |
5 files changed, 20 insertions, 1 deletions
diff --git a/arch/riscv/kernel/cacheinfo.c b/arch/riscv/kernel/cacheinfo.c index cb35ffd8ec6b..638dee3f7e88 100644 --- a/arch/riscv/kernel/cacheinfo.c +++ b/arch/riscv/kernel/cacheinfo.c @@ -28,6 +28,7 @@ static int __init_cache_level(unsigned int cpu) { struct cpu_cacheinfo *this_cpu_ci = get_cpu_cacheinfo(cpu); struct device_node *np = of_cpu_device_node_get(cpu); + struct device_node *prev = NULL; int levels = 0, leaves = 0, level; if (of_property_read_bool(np, "cache-size")) @@ -39,7 +40,10 @@ static int __init_cache_level(unsigned int cpu) if (leaves > 0) levels = 1; + prev = np; while ((np = of_find_next_cache_node(np))) { + of_node_put(prev); + prev = np; if (!of_device_is_compatible(np, "cache")) break; if (of_property_read_u32(np, "cache-level", &level)) @@ -55,8 +59,10 @@ static int __init_cache_level(unsigned int cpu) levels = level; } + of_node_put(np); this_cpu_ci->num_levels = levels; this_cpu_ci->num_leaves = leaves; + return 0; } @@ -65,6 +71,7 @@ static int __populate_cache_leaves(unsigned int cpu) struct cpu_cacheinfo *this_cpu_ci = get_cpu_cacheinfo(cpu); struct cacheinfo *this_leaf = this_cpu_ci->info_list; struct device_node *np = of_cpu_device_node_get(cpu); + struct device_node *prev = NULL; int levels = 1, level = 1; if (of_property_read_bool(np, "cache-size")) @@ -74,7 +81,10 @@ static int __populate_cache_leaves(unsigned int cpu) if (of_property_read_bool(np, "d-cache-size")) ci_leaf_init(this_leaf++, np, CACHE_TYPE_DATA, level); + prev = np; while ((np = of_find_next_cache_node(np))) { + of_node_put(prev); + prev = np; if (!of_device_is_compatible(np, "cache")) break; if (of_property_read_u32(np, "cache-level", &level)) @@ -89,6 +99,7 @@ static int __populate_cache_leaves(unsigned int cpu) ci_leaf_init(this_leaf++, np, CACHE_TYPE_DATA, level); levels = level; } + of_node_put(np); return 0; } diff --git a/arch/riscv/kernel/cpu.c b/arch/riscv/kernel/cpu.c index b4a7d4427fbb..f8fa2c63aa89 100644 --- a/arch/riscv/kernel/cpu.c +++ b/arch/riscv/kernel/cpu.c @@ -158,6 +158,7 @@ static int c_show(struct seq_file *m, void *v) && strcmp(compat, "riscv")) seq_printf(m, "uarch\t\t: %s\n", compat); seq_puts(m, "\n"); + of_node_put(node); return 0; } diff --git a/arch/riscv/kernel/cpufeature.c b/arch/riscv/kernel/cpufeature.c index 0339087aa652..a6e369edbbd7 100644 --- a/arch/riscv/kernel/cpufeature.c +++ b/arch/riscv/kernel/cpufeature.c @@ -56,8 +56,10 @@ void riscv_fill_hwcap(void) if (of_property_read_string(node, "riscv,isa", &isa)) { pr_warning("Unable to find \"riscv,isa\" devicetree entry"); + of_node_put(node); return; } + of_node_put(node); for (i = 0; i < strlen(isa); ++i) elf_hwcap |= isa2hwcap[(unsigned char)(isa[i])]; diff --git a/arch/riscv/kernel/perf_event.c b/arch/riscv/kernel/perf_event.c index a243fae1c1db..667ee70defea 100644 --- a/arch/riscv/kernel/perf_event.c +++ b/arch/riscv/kernel/perf_event.c @@ -476,6 +476,7 @@ int __init init_hw_perf_events(void) if (of_id) riscv_pmu = of_id->data; + of_node_put(node); } perf_pmu_register(riscv_pmu->pmu, "cpu", PERF_TYPE_RAW); diff --git a/arch/riscv/kernel/smpboot.c b/arch/riscv/kernel/smpboot.c index 18cda0e8cf94..fc185ecabb0a 100644 --- a/arch/riscv/kernel/smpboot.c +++ b/arch/riscv/kernel/smpboot.c @@ -57,12 +57,15 @@ void __init setup_smp(void) while ((dn = of_find_node_by_type(dn, "cpu"))) { hart = riscv_of_processor_hartid(dn); - if (hart < 0) + if (hart < 0) { + of_node_put(dn); continue; + } if (hart == cpuid_to_hartid_map(0)) { BUG_ON(found_boot_cpu); found_boot_cpu = 1; + of_node_put(dn); continue; } @@ -70,6 +73,7 @@ void __init setup_smp(void) set_cpu_possible(cpuid, true); set_cpu_present(cpuid, true); cpuid++; + of_node_put(dn); } BUG_ON(!found_boot_cpu); |