From 9af8c222ca5eae88f000664f693316480bf58fbc Mon Sep 17 00:00:00 2001 From: Trond Myklebust Date: Sun, 24 Oct 2010 11:52:55 -0400 Subject: NFSv4: Clean up nfs4_decode_dirent Signed-off-by: Trond Myklebust --- fs/nfs/nfs4xdr.c | 38 +++++++++++++------------------------- 1 file changed, 13 insertions(+), 25 deletions(-) (limited to 'fs/nfs/nfs4xdr.c') diff --git a/fs/nfs/nfs4xdr.c b/fs/nfs/nfs4xdr.c index 9bf5e66d11d..4c43e4874c5 100644 --- a/fs/nfs/nfs4xdr.c +++ b/fs/nfs/nfs4xdr.c @@ -5803,11 +5803,10 @@ __be32 *nfs4_decode_dirent(struct xdr_stream *xdr, struct nfs_entry *entry, p = xdr_decode_hyper(p, &entry->cookie); entry->len = ntohl(*p++); - p = xdr_inline_decode(xdr, entry->len + 4); + p = xdr_inline_decode(xdr, entry->len); if (unlikely(!p)) goto out_overflow; entry->name = (const char *) p; - p += XDR_QUADLEN(entry->len); /* * In case the server doesn't return an inode number, @@ -5817,30 +5816,19 @@ __be32 *nfs4_decode_dirent(struct xdr_stream *xdr, struct nfs_entry *entry, entry->ino = 1; entry->fattr->valid = 0; - len = ntohl(*p++); /* bitmap length */ - if (len-- > 0) { - p = xdr_inline_decode(xdr, 4); - if (unlikely(!p)) - goto out_overflow; - bitmap[0] = ntohl(*p++); - if (len-- > 0) { - p = xdr_inline_decode(xdr, 4); - if (unlikely(!p)) - goto out_overflow; - bitmap[1] = ntohl(*p++); - p += len; - } - } - p = xdr_inline_decode(xdr, 4); - if (unlikely(!p)) + if (decode_attr_bitmap(xdr, bitmap) < 0) + goto out_overflow; + + if (decode_attr_length(xdr, &len, &p) < 0) + goto out_overflow; + + if (decode_getfattr_attrs(xdr, bitmap, entry->fattr, entry->fh, server, 1) < 0) + goto out_overflow; + if (entry->fattr->valid & NFS_ATTR_FATTR_FILEID) + entry->ino = entry->fattr->fileid; + + if (verify_attr_len(xdr, p, len) < 0) goto out_overflow; - len = XDR_QUADLEN(ntohl(*p++)); /* attribute buffer length */ - if (len > 0) { - if (decode_getfattr_attrs(xdr, bitmap, entry->fattr, entry->fh, server, 1) < 0) - goto out_overflow; - if (entry->fattr->valid & NFS_ATTR_FATTR_FILEID) - entry->ino = entry->fattr->fileid; - } p = xdr_inline_peek(xdr, 8); if (p != NULL) -- cgit v1.2.3