diff -Naur -X /home/marcelo/lib/dontdiff linux.orig/fs/nfs/nfs2xdr.c linux/fs/nfs/nfs2xdr.c --- linux.orig/fs/nfs/nfs2xdr.c Mon Feb 18 20:18:40 2002 +++ linux/fs/nfs/nfs2xdr.c Wed Dec 26 17:15:45 2001 @@ -270,14 +270,12 @@ count = ntohl(*p++); hdrlen = (u8 *) p - (u8 *) iov->iov_base; - recvd = req->rq_rlen - hdrlen; - if (p != iov[req->rq_rnr-1].iov_base) { - /* Unexpected reply header size. Punt. - * XXX: Move iovec contents to align data on page - * boundary and adjust RPC header size guess */ - printk(KERN_WARNING "NFS: Odd RPC header size in read reply: %d\n", hdrlen); - return -errno_NFSERR_IO; + if (iov->iov_len > hdrlen) { + dprintk("NFS: READ header is short. iovec will be shifted.\n"); + xdr_shift_iovec(iov, req->rq_rnr, iov->iov_len - hdrlen); } + + recvd = req->rq_rlen - hdrlen; if (count > recvd) { printk(KERN_WARNING "NFS: server cheating in read reply: " "count %d > recvd %d\n", count, recvd); @@ -448,27 +446,23 @@ nfs_xdr_readdirres(struct rpc_rqst *req, u32 *p, struct nfs_readdirres *res) { struct iovec *iov = req->rq_rvec; + int hdrlen; int status, nr; u32 *end, *entry, len; if ((status = ntohl(*p++))) return -nfs_stat_to_errno(status); - if ((void *) p != ((u8 *) iov->iov_base+iov->iov_len)) { - /* Unexpected reply header size. Punt. */ - printk(KERN_WARNING "NFS: Odd RPC header size in readdirres reply\n"); - return -errno_NFSERR_IO; + + hdrlen = (u8 *) p - (u8 *) iov->iov_base; + if (iov->iov_len > hdrlen) { + dprintk("NFS: READDIR header is short. iovec will be shifted.\n"); + xdr_shift_iovec(iov, req->rq_rnr, iov->iov_len - hdrlen); } + /* Get start and end address of XDR data */ p = (u32 *) iov[1].iov_base; end = (u32 *) ((u8 *) p + iov[1].iov_len); - - /* Get start and end of dirent buffer */ - if (res->buffer != p) { - printk(KERN_ERR "NFS: Bad result buffer in readdir\n"); - return -errno_NFSERR_IO; - } - for (nr = 0; *p++; nr++) { entry = p - 1; if (p + 2 > end) @@ -598,13 +592,21 @@ static int nfs_xdr_readlinkres(struct rpc_rqst *req, u32 *p, struct nfs_readlinkres *res) { + struct iovec *iov = req->rq_rvec; u32 *strlen; char *string; + int hdrlen; int status; unsigned int len; if ((status = ntohl(*p++))) return -nfs_stat_to_errno(status); + hdrlen = (u8 *) p - (u8 *) iov->iov_base; + if (iov->iov_len > hdrlen) { + dprintk("NFS: READLINK header is short. iovec will be shifted.\n"); + xdr_shift_iovec(iov, req->rq_rnr, iov->iov_len - hdrlen); + } + strlen = (u32*)res->buffer; /* Convert length of symlink */ len = ntohl(*strlen);