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-rw-r--r--arch/parisc/kernel/processor.c2
-rw-r--r--drivers/parisc/power.c2
-rw-r--r--kernel/sys.c4
3 files changed, 6 insertions, 2 deletions
diff --git a/arch/parisc/kernel/processor.c b/arch/parisc/kernel/processor.c
index 29e2750f86a4..e95a977ba5f3 100644
--- a/arch/parisc/kernel/processor.c
+++ b/arch/parisc/kernel/processor.c
@@ -383,7 +383,7 @@ show_cpuinfo (struct seq_file *m, void *v)
char cpu_name[60], *p;
/* strip PA path from CPU name to not confuse lscpu */
- strlcpy(cpu_name, per_cpu(cpu_data, 0).dev->name, sizeof(cpu_name));
+ strscpy(cpu_name, per_cpu(cpu_data, 0).dev->name, sizeof(cpu_name));
p = strrchr(cpu_name, '[');
if (p)
*(--p) = 0;
diff --git a/drivers/parisc/power.c b/drivers/parisc/power.c
index 539d8920c202..bb0d92461b08 100644
--- a/drivers/parisc/power.c
+++ b/drivers/parisc/power.c
@@ -176,7 +176,7 @@ static struct notifier_block parisc_panic_block = {
static int qemu_power_off(struct sys_off_data *data)
{
/* this turns the system off via SeaBIOS */
- *(int *)data->cb_data = 0;
+ gsc_writel(0, (unsigned long) data->cb_data);
pdc_soft_power_button(1);
return NOTIFY_DONE;
}
diff --git a/kernel/sys.c b/kernel/sys.c
index 420d9cb9cc8e..e219fcfa112d 100644
--- a/kernel/sys.c
+++ b/kernel/sys.c
@@ -2394,6 +2394,10 @@ static inline int prctl_set_mdwe(unsigned long bits, unsigned long arg3,
if (bits & PR_MDWE_NO_INHERIT && !(bits & PR_MDWE_REFUSE_EXEC_GAIN))
return -EINVAL;
+ /* PARISC cannot allow mdwe as it needs writable stacks */
+ if (IS_ENABLED(CONFIG_PARISC))
+ return -EINVAL;
+
current_bits = get_current_mdwe();
if (current_bits && current_bits != bits)
return -EPERM; /* Cannot unset the flags */