diff options
Diffstat (limited to 'fs/nfs/mount_clnt.c')
| -rw-r--r-- | fs/nfs/mount_clnt.c | 63 |
1 files changed, 49 insertions, 14 deletions
diff --git a/fs/nfs/mount_clnt.c b/fs/nfs/mount_clnt.c index ed0a27ed538d..618d815c3093 100644 --- a/fs/nfs/mount_clnt.c +++ b/fs/nfs/mount_clnt.c @@ -39,6 +39,9 @@ * XDR argument and result sizes */ #define MNT_enc_dirpath_sz encode_dirpath_sz +#define MNT_dec_mountres_sz (MNT_status_sz + MNT_fhandle_sz) +#define MNT_dec_mountres3_sz (MNT_status_sz + MNT_fhandle_sz + \ + MNT_authflav3_sz) /* * Defined by RFC 1094, section A.5 @@ -140,8 +143,10 @@ struct mnt_fhstatus { */ int nfs_mount(struct nfs_mount_request *info) { - struct mnt_fhstatus result = { - .fh = info->fh + struct mountres result = { + .fh = info->fh, + .auth_count = info->auth_flav_len, + .auth_flavors = info->auth_flavs, }; struct rpc_message msg = { .rpc_argp = info->dirpath, @@ -180,7 +185,7 @@ int nfs_mount(struct nfs_mount_request *info) if (status < 0) goto out_call_err; - if (result.status != 0) + if (result.errno != 0) goto out_mnt_err; dprintk("NFS: MNT request succeeded\n"); @@ -191,16 +196,16 @@ out: out_clnt_err: status = PTR_ERR(mnt_clnt); - dprintk("NFS: failed to create RPC client, status=%d\n", status); + dprintk("NFS: failed to create MNT RPC client, status=%d\n", status); goto out; out_call_err: - dprintk("NFS: failed to start MNT request, status=%d\n", status); + dprintk("NFS: MNT request failed, status=%d\n", status); goto out; out_mnt_err: - dprintk("NFS: MNT server returned result %d\n", result.status); - status = nfs_stat_to_errno(result.status); + dprintk("NFS: MNT server returned result %d\n", result.errno); + status = result.errno; goto out; } @@ -291,6 +296,20 @@ static int decode_fhandle(struct xdr_stream *xdr, struct mountres *res) return 0; } +static int mnt_dec_mountres(struct rpc_rqst *req, __be32 *p, + struct mountres *res) +{ + struct xdr_stream xdr; + int status; + + xdr_init_decode(&xdr, &req->rq_rcv_buf, p); + + status = decode_status(&xdr, res); + if (unlikely(status != 0 || res->errno != 0)) + return status; + return decode_fhandle(&xdr, res); +} + static int decode_fhs_status(struct xdr_stream *xdr, struct mountres *res) { unsigned int i; @@ -371,6 +390,25 @@ static int decode_auth_flavors(struct xdr_stream *xdr, struct mountres *res) return 0; } +static int mnt_dec_mountres3(struct rpc_rqst *req, __be32 *p, + struct mountres *res) +{ + struct xdr_stream xdr; + int status; + + xdr_init_decode(&xdr, &req->rq_rcv_buf, p); + + status = decode_fhs_status(&xdr, res); + if (unlikely(status != 0 || res->errno != 0)) + return status; + status = decode_fhandle3(&xdr, res); + if (unlikely(status != 0)) { + res->errno = -EBADHANDLE; + return 0; + } + return decode_auth_flavors(&xdr, res); +} + static int xdr_decode_fhstatus3(struct rpc_rqst *req, __be32 *p, struct mnt_fhstatus *res) { @@ -388,16 +426,13 @@ static int xdr_decode_fhstatus3(struct rpc_rqst *req, __be32 *p, return 0; } -#define MNT_fhstatus_sz (1 + 8) -#define MNT_fhstatus3_sz (1 + 16) - static struct rpc_procinfo mnt_procedures[] = { [MOUNTPROC_MNT] = { .p_proc = MOUNTPROC_MNT, .p_encode = (kxdrproc_t)mnt_enc_dirpath, - .p_decode = (kxdrproc_t) xdr_decode_fhstatus, + .p_decode = (kxdrproc_t)mnt_dec_mountres, .p_arglen = MNT_enc_dirpath_sz, - .p_replen = MNT_fhstatus_sz, + .p_replen = MNT_dec_mountres_sz, .p_statidx = MOUNTPROC_MNT, .p_name = "MOUNT", }, @@ -407,9 +442,9 @@ static struct rpc_procinfo mnt3_procedures[] = { [MOUNTPROC3_MNT] = { .p_proc = MOUNTPROC3_MNT, .p_encode = (kxdrproc_t)mnt_enc_dirpath, - .p_decode = (kxdrproc_t) xdr_decode_fhstatus3, + .p_decode = (kxdrproc_t)mnt_dec_mountres3, .p_arglen = MNT_enc_dirpath_sz, - .p_replen = MNT_fhstatus3_sz, + .p_replen = MNT_dec_mountres3_sz, .p_statidx = MOUNTPROC3_MNT, .p_name = "MOUNT", }, |