linux-kernel - [PATCH v5 02/78] fscache: Use appropriate radix tree accessors

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <20171215220450.7899-3-willy@infradead.org>
Date:   Fri, 15 Dec 2017 14:03:34 -0800
From:   Matthew Wilcox <willy@...radead.org>
To:     linux-kernel@...r.kernel.org
Cc:     Matthew Wilcox <mawilcox@...rosoft.com>,
        Ross Zwisler <ross.zwisler@...ux.intel.com>,
        David Howells <dhowells@...hat.com>,
        Shaohua Li <shli@...nel.org>, Jens Axboe <axboe@...nel.dk>,
        Rehas Sachdeva <aquannie@...il.com>,
        Marc Zyngier <marc.zyngier@....com>, linux-mm@...ck.org,
        linux-fsdevel@...r.kernel.org,
        linux-f2fs-devel@...ts.sourceforge.net,
        linux-nilfs@...r.kernel.org, linux-btrfs@...r.kernel.org,
        linux-xfs@...r.kernel.org, linux-usb@...r.kernel.org,
        linux-raid@...r.kernel.org
Subject: [PATCH v5 02/78] fscache: Use appropriate radix tree accessors

From: Matthew Wilcox <mawilcox@...rosoft.com>

Don't open-code accesses to data structure internals.

Signed-off-by: Matthew Wilcox <mawilcox@...rosoft.com>
---
 fs/fscache/cookie.c | 2 +-
 fs/fscache/object.c | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/fs/fscache/cookie.c b/fs/fscache/cookie.c
index ff84258132bb..e9054e0c1a49 100644
--- a/fs/fscache/cookie.c
+++ b/fs/fscache/cookie.c
@@ -608,7 +608,7 @@ void __fscache_relinquish_cookie(struct fscache_cookie *cookie, bool retire)
 	/* Clear pointers back to the netfs */
 	cookie->netfs_data	= NULL;
 	cookie->def		= NULL;
-	BUG_ON(cookie->stores.rnode);
+	BUG_ON(!radix_tree_empty(&cookie->stores));
 
 	if (cookie->parent) {
 		ASSERTCMP(atomic_read(&cookie->parent->usage), >, 0);
diff --git a/fs/fscache/object.c b/fs/fscache/object.c
index 7a182c87f378..aa0e71f02c33 100644
--- a/fs/fscache/object.c
+++ b/fs/fscache/object.c
@@ -956,7 +956,7 @@ static const struct fscache_state *_fscache_invalidate_object(struct fscache_obj
 	 * retire the object instead.
 	 */
 	if (!fscache_use_cookie(object)) {
-		ASSERT(object->cookie->stores.rnode == NULL);
+		ASSERT(radix_tree_empty(&object->cookie->stores));
 		set_bit(FSCACHE_OBJECT_RETIRED, &object->flags);
 		_leave(" [no cookie]");
 		return transit_to(KILL_OBJECT);
-- 
2.15.1