[PATCH 2/3] efi/esrt: use memunmap rather kfree to free the remapping

Ard Biesheuvel
2017-12-06T09:53:03Z

From: Pan Bian <bianpan2016@163.com>

The remapping result of memremap should be freed with memunmap, not
kfree.

Signed-off-by: Pan Bian <bianpan2016@163.com>
Cc: Matt Fleming <matt@codeblueprint.co.uk>
Cc: <stable@vger.kernel.org>
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
---
drivers/firmware/efi/esrt.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/firmware/efi/esrt.c b/drivers/firmware/efi/esrt.c
index 7aae2483fcb9..c47e0c6ec00f 100644
--- a/drivers/firmware/efi/esrt.c
+++ b/drivers/firmware/efi/esrt.c
@@ -428,7 +428,7 @@ static int __init esrt_sysfs_init(void)
err_remove_esrt:
kobject_put(esrt_kobj);
err:
- kfree(esrt);
+ memunmap(esrt);
esrt = NULL;
return error;
}
--
2.11.0