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path: root/fs/nfs/nfs4xdr.c
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Diffstat (limited to 'fs/nfs/nfs4xdr.c')
-rw-r--r--fs/nfs/nfs4xdr.c81
1 files changed, 32 insertions, 49 deletions
diff --git a/fs/nfs/nfs4xdr.c b/fs/nfs/nfs4xdr.c
index a8cff19c6f00..69862bf6db00 100644
--- a/fs/nfs/nfs4xdr.c
+++ b/fs/nfs/nfs4xdr.c
@@ -3168,20 +3168,23 @@ static int decode_opaque_inline(struct xdr_stream *xdr, unsigned int *len, char
static int decode_compound_hdr(struct xdr_stream *xdr, struct compound_hdr *hdr)
{
- __be32 *p;
+ ssize_t ret;
+ void *ptr;
+ u32 tmp;
- p = xdr_inline_decode(xdr, 8);
- if (unlikely(!p))
+ if (xdr_stream_decode_u32(xdr, &tmp) < 0)
return -EIO;
- hdr->status = be32_to_cpup(p++);
- hdr->taglen = be32_to_cpup(p);
+ hdr->status = tmp;
- p = xdr_inline_decode(xdr, hdr->taglen + 4);
- if (unlikely(!p))
+ ret = xdr_stream_decode_opaque_inline(xdr, &ptr, NFS4_OPAQUE_LIMIT);
+ if (ret < 0)
+ return -EIO;
+ hdr->taglen = ret;
+ hdr->tag = ptr;
+
+ if (xdr_stream_decode_u32(xdr, &tmp) < 0)
return -EIO;
- hdr->tag = (char *)p;
- p += XDR_QUADLEN(hdr->taglen);
- hdr->nops = be32_to_cpup(p);
+ hdr->nops = tmp;
if (unlikely(hdr->nops < 1))
return nfs4_stat_to_errno(hdr->status);
return 0;
@@ -4582,8 +4585,7 @@ static int decode_attr_mdsthreshold(struct xdr_stream *xdr,
static int decode_getfattr_attrs(struct xdr_stream *xdr, uint32_t *bitmap,
struct nfs_fattr *fattr, struct nfs_fh *fh,
- struct nfs4_fs_locations *fs_loc, struct nfs4_label *label,
- const struct nfs_server *server)
+ struct nfs4_fs_locations *fs_loc, const struct nfs_server *server)
{
int status;
umode_t fmode = 0;
@@ -4698,8 +4700,8 @@ static int decode_getfattr_attrs(struct xdr_stream *xdr, uint32_t *bitmap,
if (status < 0)
goto xdr_error;
- if (label) {
- status = decode_attr_security_label(xdr, bitmap, label);
+ if (fattr->label) {
+ status = decode_attr_security_label(xdr, bitmap, fattr->label);
if (status < 0)
goto xdr_error;
fattr->valid |= status;
@@ -4712,7 +4714,7 @@ xdr_error:
static int decode_getfattr_generic(struct xdr_stream *xdr, struct nfs_fattr *fattr,
struct nfs_fh *fh, struct nfs4_fs_locations *fs_loc,
- struct nfs4_label *label, const struct nfs_server *server)
+ const struct nfs_server *server)
{
unsigned int savep;
uint32_t attrlen,
@@ -4731,8 +4733,7 @@ static int decode_getfattr_generic(struct xdr_stream *xdr, struct nfs_fattr *fat
if (status < 0)
goto xdr_error;
- status = decode_getfattr_attrs(xdr, bitmap, fattr, fh, fs_loc,
- label, server);
+ status = decode_getfattr_attrs(xdr, bitmap, fattr, fh, fs_loc, server);
if (status < 0)
goto xdr_error;
@@ -4742,16 +4743,10 @@ xdr_error:
return status;
}
-static int decode_getfattr_label(struct xdr_stream *xdr, struct nfs_fattr *fattr,
- struct nfs4_label *label, const struct nfs_server *server)
-{
- return decode_getfattr_generic(xdr, fattr, NULL, NULL, label, server);
-}
-
static int decode_getfattr(struct xdr_stream *xdr, struct nfs_fattr *fattr,
const struct nfs_server *server)
{
- return decode_getfattr_generic(xdr, fattr, NULL, NULL, NULL, server);
+ return decode_getfattr_generic(xdr, fattr, NULL, NULL, server);
}
/*
@@ -5572,20 +5567,9 @@ static int decode_secinfo_no_name(struct xdr_stream *xdr, struct nfs4_secinfo_re
static int decode_op_map(struct xdr_stream *xdr, struct nfs4_op_map *op_map)
{
- __be32 *p;
- uint32_t bitmap_words;
- unsigned int i;
-
- p = xdr_inline_decode(xdr, 4);
- if (!p)
- return -EIO;
- bitmap_words = be32_to_cpup(p++);
- if (bitmap_words > NFS4_OP_MAP_NUM_WORDS)
+ if (xdr_stream_decode_uint32_array(xdr, op_map->u.words,
+ ARRAY_SIZE(op_map->u.words)) < 0)
return -EIO;
- p = xdr_inline_decode(xdr, 4 * bitmap_words);
- for (i = 0; i < bitmap_words; i++)
- op_map->u.words[i] = be32_to_cpup(p++);
-
return 0;
}
@@ -6179,7 +6163,7 @@ static int nfs4_xdr_dec_lookup(struct rpc_rqst *rqstp, struct xdr_stream *xdr,
status = decode_getfh(xdr, res->fh);
if (status)
goto out;
- status = decode_getfattr_label(xdr, res->fattr, res->label, res->server);
+ status = decode_getfattr(xdr, res->fattr, res->server);
out:
return status;
}
@@ -6209,7 +6193,7 @@ static int nfs4_xdr_dec_lookupp(struct rpc_rqst *rqstp, struct xdr_stream *xdr,
status = decode_getfh(xdr, res->fh);
if (status)
goto out;
- status = decode_getfattr_label(xdr, res->fattr, res->label, res->server);
+ status = decode_getfattr(xdr, res->fattr, res->server);
out:
return status;
}
@@ -6236,8 +6220,7 @@ static int nfs4_xdr_dec_lookup_root(struct rpc_rqst *rqstp,
goto out;
status = decode_getfh(xdr, res->fh);
if (status == 0)
- status = decode_getfattr_label(xdr, res->fattr,
- res->label, res->server);
+ status = decode_getfattr(xdr, res->fattr, res->server);
out:
return status;
}
@@ -6331,7 +6314,7 @@ static int nfs4_xdr_dec_link(struct rpc_rqst *rqstp, struct xdr_stream *xdr,
status = decode_restorefh(xdr);
if (status)
goto out;
- decode_getfattr_label(xdr, res->fattr, res->label, res->server);
+ decode_getfattr(xdr, res->fattr, res->server);
out:
return status;
}
@@ -6361,7 +6344,7 @@ static int nfs4_xdr_dec_create(struct rpc_rqst *rqstp, struct xdr_stream *xdr,
status = decode_getfh(xdr, res->fh);
if (status)
goto out;
- decode_getfattr_label(xdr, res->fattr, res->label, res->server);
+ decode_getfattr(xdr, res->fattr, res->server);
out:
return status;
}
@@ -6394,7 +6377,7 @@ static int nfs4_xdr_dec_getattr(struct rpc_rqst *rqstp, struct xdr_stream *xdr,
status = decode_putfh(xdr);
if (status)
goto out;
- status = decode_getfattr_label(xdr, res->fattr, res->label, res->server);
+ status = decode_getfattr(xdr, res->fattr, res->server);
out:
return status;
}
@@ -6532,7 +6515,7 @@ static int nfs4_xdr_dec_open(struct rpc_rqst *rqstp, struct xdr_stream *xdr,
goto out;
if (res->access_request)
decode_access(xdr, &res->access_supported, &res->access_result);
- decode_getfattr_label(xdr, res->f_attr, res->f_label, res->server);
+ decode_getfattr(xdr, res->f_attr, res->server);
if (res->lg_res)
decode_layoutget(xdr, rqstp, res->lg_res);
out:
@@ -6616,7 +6599,7 @@ static int nfs4_xdr_dec_setattr(struct rpc_rqst *rqstp,
status = decode_setattr(xdr);
if (status)
goto out;
- decode_getfattr_label(xdr, res->fattr, res->label, res->server);
+ decode_getfattr(xdr, res->fattr, res->server);
out:
return status;
}
@@ -7031,7 +7014,7 @@ static int nfs4_xdr_dec_fs_locations(struct rpc_rqst *req,
status = decode_getfattr_generic(xdr,
&res->fs_locations->fattr,
NULL, res->fs_locations,
- NULL, res->fs_locations->server);
+ res->fs_locations->server);
if (status)
goto out;
if (res->renew)
@@ -7044,7 +7027,7 @@ static int nfs4_xdr_dec_fs_locations(struct rpc_rqst *req,
status = decode_getfattr_generic(xdr,
&res->fs_locations->fattr,
NULL, res->fs_locations,
- NULL, res->fs_locations->server);
+ res->fs_locations->server);
}
out:
return status;
@@ -7475,7 +7458,7 @@ int nfs4_decode_dirent(struct xdr_stream *xdr, struct nfs_entry *entry,
return -EAGAIN;
if (decode_getfattr_attrs(xdr, bitmap, entry->fattr, entry->fh,
- NULL, entry->label, entry->server) < 0)
+ NULL, entry->server) < 0)
return -EAGAIN;
if (entry->fattr->valid & NFS_ATTR_FATTR_MOUNTED_ON_FILEID)
entry->ino = entry->fattr->mounted_on_fileid;
generated by cgit v1.2.3 (git 2.39.0) at 2024-07-09 19:12:45 +0300