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NFS: readdir shouldn't read beyond the reply returned by the server

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Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
This commit is contained in:
Trond Myklebust
2010-11-15 20:26:22 -05:00
parent 8cd51a0ccd
commit ac39612824
5 changed files with 11 additions and 7 deletions
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4
fs/nfs/dir.c
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@@ -573,11 +573,13 @@ int nfs_readdir_xdr_to_array(nfs_readdir_descriptor_t *desc, struct page *page,
if (!pages_ptr)
goto out_release_array;
do {
unsigned int pglen;
status = nfs_readdir_xdr_filler(pages, desc, &entry, file, inode);
if (status < 0)
break;
status = nfs_readdir_page_filler(desc, &entry, pages_ptr, page, array_size * PAGE_SIZE);
pglen = status;
status = nfs_readdir_page_filler(desc, &entry, pages_ptr, page, pglen);
if (status < 0) {
if (status == -ENOSPC)
status = 0;