summaryrefslogtreecommitdiff
path: root/drivers/acpi/acpi_extlog.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/acpi/acpi_extlog.c')
-rw-r--r--drivers/acpi/acpi_extlog.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/acpi/acpi_extlog.c b/drivers/acpi/acpi_extlog.c
index f138e12b7b82..72f1fb77abcd 100644
--- a/drivers/acpi/acpi_extlog.c
+++ b/drivers/acpi/acpi_extlog.c
@@ -222,9 +222,9 @@ static int __init extlog_init(void)
u64 cap;
int rc;
- rdmsrl(MSR_IA32_MCG_CAP, cap);
-
- if (!(cap & MCG_ELOG_P) || !extlog_get_l1addr())
+ if (rdmsrl_safe(MSR_IA32_MCG_CAP, &cap) ||
+ !(cap & MCG_ELOG_P) ||
+ !extlog_get_l1addr())
return -ENODEV;
rc = -EINVAL;