diff options
Diffstat (limited to 'fs/nfs/nfs4xdr.c')
| -rw-r--r-- | fs/nfs/nfs4xdr.c | 40 |
1 files changed, 23 insertions, 17 deletions
diff --git a/fs/nfs/nfs4xdr.c b/fs/nfs/nfs4xdr.c index 51dd3804866f..db1ed9c46ede 100644 --- a/fs/nfs/nfs4xdr.c +++ b/fs/nfs/nfs4xdr.c @@ -116,10 +116,12 @@ static int nfs4_stat_to_errno(int); #define decode_renew_maxsz (op_decode_hdr_maxsz) #define encode_setclientid_maxsz \ (op_encode_hdr_maxsz + \ - 4 /*server->ip_addr*/ + \ - 1 /*Netid*/ + \ - 6 /*uaddr*/ + \ - 6 + (NFS4_VERIFIER_SIZE >> 2)) + XDR_QUADLEN(NFS4_VERIFIER_SIZE) + \ + XDR_QUADLEN(NFS4_SETCLIENTID_NAMELEN) + \ + 1 /* sc_prog */ + \ + XDR_QUADLEN(RPCBIND_MAXNETIDLEN) + \ + XDR_QUADLEN(RPCBIND_MAXUADDRLEN) + \ + 1) /* sc_cb_ident */ #define decode_setclientid_maxsz \ (op_decode_hdr_maxsz + \ 2 + \ @@ -2515,14 +2517,12 @@ static int decode_attr_files_total(struct xdr_stream *xdr, uint32_t *bitmap, uin static int decode_pathname(struct xdr_stream *xdr, struct nfs4_pathname *path) { - int n; + u32 n; __be32 *p; int status = 0; READ_BUF(4); READ32(n); - if (n < 0) - goto out_eio; if (n == 0) goto root_path; dprintk("path "); @@ -2579,13 +2579,11 @@ static int decode_attr_fs_locations(struct xdr_stream *xdr, uint32_t *bitmap, st goto out_eio; res->nlocations = 0; while (res->nlocations < n) { - int m; + u32 m; struct nfs4_fs_location *loc = &res->locations[res->nlocations]; READ_BUF(4); READ32(m); - if (m <= 0) - goto out_eio; loc->nservers = 0; dprintk("%s: servers ", __FUNCTION__); @@ -2598,8 +2596,12 @@ static int decode_attr_fs_locations(struct xdr_stream *xdr, uint32_t *bitmap, st if (loc->nservers < NFS4_FS_LOCATION_MAXSERVERS) loc->nservers++; else { - int i; - dprintk("%s: using first %d of %d servers returned for location %d\n", __FUNCTION__, NFS4_FS_LOCATION_MAXSERVERS, m, res->nlocations); + unsigned int i; + dprintk("%s: using first %u of %u servers " + "returned for location %u\n", + __FUNCTION__, + NFS4_FS_LOCATION_MAXSERVERS, + m, res->nlocations); for (i = loc->nservers; i < m; i++) { unsigned int len; char *data; @@ -3476,10 +3478,11 @@ static int decode_readdir(struct xdr_stream *xdr, struct rpc_rqst *req, struct n struct xdr_buf *rcvbuf = &req->rq_rcv_buf; struct page *page = *rcvbuf->pages; struct kvec *iov = rcvbuf->head; - unsigned int nr, pglen = rcvbuf->page_len; + size_t hdrlen; + u32 recvd, pglen = rcvbuf->page_len; __be32 *end, *entry, *p, *kaddr; - uint32_t len, attrlen, xlen; - int hdrlen, recvd, status; + unsigned int nr; + int status; status = decode_op_hdr(xdr, OP_READDIR); if (status) @@ -3503,6 +3506,7 @@ static int decode_readdir(struct xdr_stream *xdr, struct rpc_rqst *req, struct n end = p + ((pglen + readdir->pgbase) >> 2); entry = p; for (nr = 0; *p++; nr++) { + u32 len, attrlen, xlen; if (end - p < 3) goto short_pkt; dprintk("cookie = %Lu, ", *((unsigned long long *)p)); @@ -3551,7 +3555,8 @@ static int decode_readlink(struct xdr_stream *xdr, struct rpc_rqst *req) { struct xdr_buf *rcvbuf = &req->rq_rcv_buf; struct kvec *iov = rcvbuf->head; - int hdrlen, len, recvd; + size_t hdrlen; + u32 len, recvd; __be32 *p; char *kaddr; int status; @@ -3646,7 +3651,8 @@ static int decode_getacl(struct xdr_stream *xdr, struct rpc_rqst *req, if (unlikely(bitmap[0] & (FATTR4_WORD0_ACL - 1U))) return -EIO; if (likely(bitmap[0] & FATTR4_WORD0_ACL)) { - int hdrlen, recvd; + size_t hdrlen; + u32 recvd; /* We ignore &savep and don't do consistency checks on * the attr length. Let userspace figure it out.... */ |