[PATCH] security/tomoyo: convert put_page() to put_user_page*()

* [PATCH] security/tomoyo: convert put_page() to put_user_page*()
@ 2019-08-05  2:26 john.hubbard
  2019-08-05 10:01 ` Tetsuo Handa
  0 siblings, 1 reply; 3+ messages in thread
From: john.hubbard @ 2019-08-05  2:26 UTC (permalink / raw)
  To: Andrew Morton
  Cc: Christoph Hellwig, Ira Weiny, Jan Kara, Jason Gunthorpe,
	Jerome Glisse, LKML, linux-mm, linux-fsdevel, John Hubbard,
	Kentaro Takeda, Tetsuo Handa, linux-security-module

From: John Hubbard <jhubbard@nvidia.com>

For pages that were retained via get_user_pages*(), release those pages
via the new put_user_page*() routines, instead of via put_page() or
release_pages().

This is part a tree-wide conversion, as described in commit fc1d8e7cca2d
("mm: introduce put_user_page*(), placeholder versions").

Cc: Kentaro Takeda <takedakn@nttdata.co.jp>
Cc: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Cc: linux-security-module@vger.kernel.org
Signed-off-by: John Hubbard <jhubbard@nvidia.com>
---
 security/tomoyo/domain.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/security/tomoyo/domain.c b/security/tomoyo/domain.c
index 8526a0a74023..6887beecfb6e 100644
--- a/security/tomoyo/domain.c
+++ b/security/tomoyo/domain.c
@@ -931,7 +931,7 @@ bool tomoyo_dump_page(struct linux_binprm *bprm, unsigned long pos,
 	}
 	/* Same with put_arg_page(page) in fs/exec.c */
 #ifdef CONFIG_MMU
-	put_page(page);
+	put_user_page(page);
 #endif
 	return true;
 }
-- 
2.22.0


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