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Diffstat (limited to 'arch/sparc/kernel/prom_64.c')
-rw-r--r--arch/sparc/kernel/prom_64.c12
1 files changed, 8 insertions, 4 deletions
diff --git a/arch/sparc/kernel/prom_64.c b/arch/sparc/kernel/prom_64.c
index 998aa693d491..aa4799cbb9c1 100644
--- a/arch/sparc/kernel/prom_64.c
+++ b/arch/sparc/kernel/prom_64.c
@@ -361,14 +361,16 @@ char * __init build_path_component(struct device_node *dp)
{
const char *name = of_get_property(dp, "name", NULL);
char tmp_buf[64], *n;
+ size_t n_sz;
tmp_buf[0] = '\0';
__build_path_component(dp, tmp_buf);
if (tmp_buf[0] == '\0')
- strcpy(tmp_buf, name);
+ strscpy(tmp_buf, name);
- n = prom_early_alloc(strlen(tmp_buf) + 1);
- strcpy(n, tmp_buf);
+ n_sz = strlen(tmp_buf) + 1;
+ n = prom_early_alloc(n_sz);
+ strscpy(n, tmp_buf, n_sz);
return n;
}
@@ -483,7 +485,9 @@ static void *record_one_cpu(struct device_node *dp, int cpuid, int arg)
ncpus_probed++;
#ifdef CONFIG_SMP
set_cpu_present(cpuid, true);
- set_cpu_possible(cpuid, true);
+
+ if (num_possible_cpus() < nr_cpu_ids)
+ set_cpu_possible(cpuid, true);
#endif
return NULL;
}