linux-kernel - [PATCH v2 1/6] fscrypt: Use correct index in decrypt path.

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Date:   Tue,  6 Dec 2016 23:53:53 +0100
From:   David Gstir <david@...ma-star.at>
To:     linux-mtd@...ts.infradead.org
Cc:     tytso@....edu, dedekind1@...il.com, ebiggers@...gle.com,
        mhalcrow@...gle.com, adrian.hunter@...el.com,
        linux-kernel@...r.kernel.org, hch@...radead.org,
        linux-fsdevel@...r.kernel.org, jaegeuk@...nel.org,
        dengler@...utronix.de, sbabic@...x.de, wd@...x.de, richard@....at,
        David Gstir <david@...ma-star.at>
Subject: [PATCH v2 1/6] fscrypt: Use correct index in decrypt path.

Actually use the fs-provided index instead of always using page->index
which is only set for page-cache pages.

Fixes: 9c4bb8a3a9b4 ("fscrypt: Let fs select encryption index/tweak")

Signed-off-by: David Gstir <david@...ma-star.at>
---
 fs/crypto/crypto.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/crypto/crypto.c b/fs/crypto/crypto.c
index b6029785714c..3c1124beae28 100644
--- a/fs/crypto/crypto.c
+++ b/fs/crypto/crypto.c
@@ -296,7 +296,7 @@ EXPORT_SYMBOL(fscrypt_encrypt_page);
 int fscrypt_decrypt_page(const struct inode *inode, struct page *page,
 			unsigned int len, unsigned int offs, pgoff_t index)
 {
-	return do_page_crypto(inode, FS_DECRYPT, page->index, page, page, len, offs,
+	return do_page_crypto(inode, FS_DECRYPT, index, page, page, len, offs,
 			GFP_NOFS);
 }
 EXPORT_SYMBOL(fscrypt_decrypt_page);
-- 
2.10.1