extlog_l1_addr was checked after assigning flags attribute.
Signed-off-by: Fabian Frederick <fabf@xxxxxxxxx>
---
drivers/acpi/acpi_extlog.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/drivers/acpi/acpi_extlog.c b/drivers/acpi/acpi_extlog.c
index b3842ff..183b7b2 100644
--- a/drivers/acpi/acpi_extlog.c
+++ b/drivers/acpi/acpi_extlog.c
@@ -309,9 +309,10 @@ static void __exit extlog_exit(void)
{
set_edac_report_status(old_edac_report_status);
mce_unregister_decode_chain(&extlog_mce_dec);
- ((struct extlog_l1_head *)extlog_l1_addr)->flags &= ~FLAG_OS_OPTIN;
- if (extlog_l1_addr)
+ if (extlog_l1_addr) {
+ ((struct extlog_l1_head *)extlog_l1_addr)->flags &= ~FLAG_OS_OPTIN;
acpi_os_unmap_iomem(extlog_l1_addr, l1_size);
+ }
if (elog_addr)
acpi_os_unmap_iomem(elog_addr, elog_size);
release_mem_region(elog_base, elog_size);
--
2.1.4
--
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