[tip:efi/urgent] efi/esrt: Use memunmap() instead of kfree() to free the remapping

tip-bot for Pan Bian
2017-12-06T20:34:54Z

Commit-ID: 89c5a2d34bda58319e3075e8e7dd727ea25a435c
Gitweb: https://git.kernel.org/tip/89c5a2d34bda58319e3075e8e7dd727ea25a435c
Author: Pan Bian <bianpan2016@163.com>
AuthorDate: Wed, 6 Dec 2017 09:50:09 +0000
Committer: Ingo Molnar <mingo@kernel.org>
CommitDate: Wed, 6 Dec 2017 19:32:08 +0100

efi/esrt: Use memunmap() instead of kfree() to free the remapping

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

Signed-off-by: Pan Bian <bianpan2016@163.com>
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Cc: <stable@vger.kernel.org>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Matt Fleming <matt@codeblueprint.co.uk>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: linux-efi@vger.kernel.org
Link: http://lkml.kernel.org/r/20171206095010.24170-3-ard.biesheuvel@linaro.org
Signed-off-by: Ingo Molnar <mingo@kernel.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 7aae248..c47e0c6 100644
--- a/drivers/firmware/efi/esrt.c
+++ b/drivers/firmware/efi/esrt.c
@@ -428,7 +428,7 @@ err_remove_group:
err_remove_esrt:
kobject_put(esrt_kobj);
err:
- kfree(esrt);
+ memunmap(esrt);
esrt = NULL;
return error;
}