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NFSv4: nfs4_open_done first must check that GETATTR decoded a file type

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...before it can check the validity of that file type.

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
This commit is contained in:
Trond Myklebust 2012-10-02 17:09:00 -07:00
parent 25a1a6211d
commit 807d66d802
1 changed files with 3 additions and 1 deletions
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4
fs/nfs/nfs4proc.c
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@ -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))