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| author | Andy Adamson <andros@citi.umich.edu> | 2006-06-09 09:34:30 -0400 |
|---|---|---|
| committer | Trond Myklebust <Trond.Myklebust@netapp.com> | 2006-06-09 09:34:30 -0400 |
| commit | 33a43f2802d8d7be3a9b541785c4ca9ad79e4310 (patch) | |
| tree | dd55121ea9031401fce8b03554654a332a4c38df /fs/nfs/nfs4xdr.c | |
| parent | 6b97fd3da1eab2cc490cfe884c7d4956522eaf8b (diff) | |
| download | op-kernel-dev-33a43f2802d8d7be3a9b541785c4ca9ad79e4310.zip op-kernel-dev-33a43f2802d8d7be3a9b541785c4ca9ad79e4310.tar.gz | |
NFSv4: A root pathname is sent as a zero component4
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'fs/nfs/nfs4xdr.c')
| -rw-r--r-- | fs/nfs/nfs4xdr.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/fs/nfs/nfs4xdr.c b/fs/nfs/nfs4xdr.c index 646f16d..1750d99 100644 --- a/fs/nfs/nfs4xdr.c +++ b/fs/nfs/nfs4xdr.c @@ -2408,8 +2408,10 @@ static int decode_pathname(struct xdr_stream *xdr, struct nfs4_pathname *path) READ_BUF(4); READ32(n); - if (n <= 0) + if (n < 0) goto out_eio; + if (n == 0) + goto root_path; dprintk("path "); path->ncomponents = 0; while (path->ncomponents < n) { @@ -2430,6 +2432,13 @@ static int decode_pathname(struct xdr_stream *xdr, struct nfs4_pathname *path) out: dprintk("\n"); return status; +root_path: +/* a root pathname is sent as a zero component4 */ + path->ncomponents = 1; + path->components[0].len=0; + path->components[0].data=NULL; + dprintk("path /\n"); + goto out; out_eio: dprintk(" status %d", status); status = -EIO; |
