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authorTrond Myklebust <trond.myklebust@primarydata.com>2015-02-26 12:54:46 -0500
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2015-03-18 13:31:34 +0100
commite1887ec351044fde2e53b3210fcf5f9f22780281 (patch)
tree1fd44d4c8062b9a1621f0b94d97a00ba55b44f95 /fs
parentd0cf2aa4ba438fd0a4072edc59620b1b1f3cb3e7 (diff)
NFSv4: Don't call put_rpccred() under the rcu_read_lock()
commit 7c0af9ffb7bb4e5355470fa60b3eb711ddf226fa upstream. put_rpccred() can sleep. Fixes: 8f649c3762547 ("NFSv4: Fix the locking in nfs_inode_reclaim_delegation()") Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'fs')
-rw-r--r--fs/nfs/delegation.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/nfs/delegation.c b/fs/nfs/delegation.c
index 3ed1be9aade3..2ea3537b8bde 100644
--- a/fs/nfs/delegation.c
+++ b/fs/nfs/delegation.c
@@ -161,8 +161,8 @@ void nfs_inode_reclaim_delegation(struct inode *inode, struct rpc_cred *cred,
&delegation->flags);
NFS_I(inode)->delegation_state = delegation->type;
spin_unlock(&delegation->lock);
- put_rpccred(oldcred);
rcu_read_unlock();
+ put_rpccred(oldcred);
trace_nfs4_reclaim_delegation(inode, res->delegation_type);
} else {
/* We appear to have raced with a delegation return. */