From 807d66d80221920729a8d4abfa04246546a6d3fa Mon Sep 17 00:00:00 2001 From: Trond Myklebust Date: Tue, 2 Oct 2012 17:09:00 -0700 Subject: [PATCH] NFSv4: nfs4_open_done first must check that GETATTR decoded a file type ...before it can check the validity of that file type. Signed-off-by: Trond Myklebust --- fs/nfs/nfs4proc.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c index 21cfac7c2ff8..68438aa4f08e 100644 --- a/fs/nfs/nfs4proc.c +++ b/fs/nfs/nfs4proc.c @@ -1537,7 +1537,8 @@ static void nfs4_open_done(struct rpc_task *task, void *calldata) return; if (task->tk_status == 0) { - switch (data->o_res.f_attr->mode & S_IFMT) { + if (data->o_res.f_attr->valid & NFS_ATTR_FATTR_TYPE) { + switch (data->o_res.f_attr->mode & S_IFMT) { case S_IFREG: break; case S_IFLNK: @@ -1548,6 +1549,7 @@ static void nfs4_open_done(struct rpc_task *task, void *calldata) break; default: data->rpc_status = -ENOTDIR; + } } renew_lease(data->o_res.server, data->timestamp); if (!(data->o_res.rflags & NFS4_OPEN_RESULT_CONFIRM)) -- 2.25.1