diff options
| author | Trond Myklebust <Trond.Myklebust@netapp.com> | 2010-11-20 18:43:45 +0100 |
|---|---|---|
| committer | Trond Myklebust <Trond.Myklebust@netapp.com> | 2010-11-22 19:24:44 +0100 |
| commit | 5c346854d8ce6ca91931f8fc9177934257a667d0 (patch) | |
| tree | de10054f20a2bc3a2fc58ca394854d40aebc8654 /fs/nfs/dir.c | |
| parent | NFS: Buffer overflow in ->decode_dirent() should not be fatal (diff) | |
| download | linux-5c346854d8ce6ca91931f8fc9177934257a667d0.tar.xz linux-5c346854d8ce6ca91931f8fc9177934257a667d0.zip | |
NFS: Assume eof if the server returns no readdir records
Some servers are known to be buggy w.r.t. this. Deal with them...
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'fs/nfs/dir.c')
| -rw-r--r-- | fs/nfs/dir.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/fs/nfs/dir.c b/fs/nfs/dir.c index 662df2a5fad5..2789cb3fc425 100644 --- a/fs/nfs/dir.c +++ b/fs/nfs/dir.c @@ -466,8 +466,9 @@ int nfs_readdir_page_filler(nfs_readdir_descriptor_t *desc, struct nfs_entry *en struct xdr_stream stream; struct xdr_buf buf; __be32 *ptr = xdr_page; - int status; struct nfs_cache_array *array; + unsigned int count = 0; + int status; buf.head->iov_base = xdr_page; buf.head->iov_len = buflen; @@ -488,6 +489,8 @@ int nfs_readdir_page_filler(nfs_readdir_descriptor_t *desc, struct nfs_entry *en break; } + count++; + if (desc->plus == 1) nfs_prime_dcache(desc->file->f_path.dentry, entry); @@ -496,13 +499,14 @@ int nfs_readdir_page_filler(nfs_readdir_descriptor_t *desc, struct nfs_entry *en break; } while (!entry->eof); - if (status == -EBADCOOKIE && entry->eof) { + if (count == 0 || (status == -EBADCOOKIE && entry->eof == 1)) { array = nfs_readdir_get_array(page); if (!IS_ERR(array)) { array->eof_index = array->size; status = 0; nfs_readdir_release_array(page); - } + } else + status = PTR_ERR(array); } return status; } |