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| author | Chuck Lever <chuck.lever@oracle.com> | 2012-10-02 18:18:12 +0200 |
|---|---|---|
| committer | Trond Myklebust <Trond.Myklebust@netapp.com> | 2012-10-02 18:25:02 +0200 |
| commit | c2ccc084eb46ae718a200ad9c2606c258bf79a25 (patch) | |
| tree | b7699623a38b969f21265310f5796bdb34f48b3c /fs/nfs | |
| parent | NFSv4.1: Handle BAD_STATEID and EXPIRED errors in layoutget (diff) | |
| download | linux-c2ccc084eb46ae718a200ad9c2606c258bf79a25.tar.xz linux-c2ccc084eb46ae718a200ad9c2606c258bf79a25.zip | |
NFS: nfs41_walk_client_list(): re-lock before iterating
Sparse identified an execution path in nfs41_walk_client_list()
where the nfs_client_lock is not re-acquired before taking the next
loop iteration.
fs/nfs/nfs4client.c:437:9: sparse: context imbalance in
'nfs41_walk_client_list' - different lock contexts for basic block
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Cc: Fengguang Wu <fengguang.wu@intel.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'fs/nfs')
| -rw-r--r-- | fs/nfs/nfs4client.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/fs/nfs/nfs4client.c b/fs/nfs/nfs4client.c index 8466e6046ff5..6bacfde1319a 100644 --- a/fs/nfs/nfs4client.c +++ b/fs/nfs/nfs4client.c @@ -450,6 +450,7 @@ int nfs41_walk_client_list(struct nfs_client *new, error = nfs_wait_client_init_complete(pos); if (error < 0) { nfs_put_client(pos); + spin_lock(&nn->nfs_client_lock); continue; } |