[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-Id: <20200214160149.11681-378-sashal@kernel.org>
Date: Fri, 14 Feb 2020 11:00:28 -0500
From: Sasha Levin <sashal@...nel.org>
To: linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc: Trond Myklebust <trondmy@...il.com>,
Trond Myklebust <trond.myklebust@...merspace.com>,
"J . Bruce Fields" <bfields@...hat.com>,
Sasha Levin <sashal@...nel.org>, linux-nfs@...r.kernel.org,
netdev@...r.kernel.org
Subject: [PATCH AUTOSEL 5.4 378/459] sunrpc: Fix potential leaks in sunrpc_cache_unhash()
From: Trond Myklebust <trondmy@...il.com>
[ Upstream commit 1d82163714c16ebe09c7a8c9cd3cef7abcc16208 ]
When we unhash the cache entry, we need to handle any pending upcalls
by calling cache_fresh_unlocked().
Signed-off-by: Trond Myklebust <trond.myklebust@...merspace.com>
Signed-off-by: J. Bruce Fields <bfields@...hat.com>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
net/sunrpc/cache.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/net/sunrpc/cache.c b/net/sunrpc/cache.c
index f740cb51802af..7ede1e52fd812 100644
--- a/net/sunrpc/cache.c
+++ b/net/sunrpc/cache.c
@@ -1888,7 +1888,9 @@ void sunrpc_cache_unhash(struct cache_detail *cd, struct cache_head *h)
if (!hlist_unhashed(&h->cache_list)){
hlist_del_init_rcu(&h->cache_list);
cd->entries--;
+ set_bit(CACHE_CLEANED, &h->flags);
spin_unlock(&cd->hash_lock);
+ cache_fresh_unlocked(h, cd);
cache_put(h, cd);
} else
spin_unlock(&cd->hash_lock);
--
2.20.1
Powered by blists - more mailing lists