NFSv4: Clean up decode_getfattr()

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>

1 files changed, 57 insertions, 21 deletions

diff --git a/fs/nfs/nfs4xdr.c b/fs/nfs/nfs4xdr.c
index c1906d2a226..43c6e50ff17 100644
--- a/fs/nfs/nfs4xdr.c
+++ b/fs/nfs/nfs4xdr.c
@@ -2996,55 +2996,91 @@ static int decode_getfattr(struct xdr_stream *xdr, struct nfs_fattr *fattr, cons
         umode_t fmode = 0;
         uint64_t fileid;
 
-        if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0)
+        status = decode_op_hdr(xdr, OP_GETATTR);
+        if (status < 0)
                 goto xdr_error;
-        if ((status = decode_attr_bitmap(xdr, bitmap)) != 0)
+
+        status = decode_attr_bitmap(xdr, bitmap);
+        if (status < 0)
                 goto xdr_error;
 
-        if ((status = decode_attr_length(xdr, &attrlen, &savep)) != 0)
+        status = decode_attr_length(xdr, &attrlen, &savep);
+        if (status < 0)
                 goto xdr_error;
 
 
-        if ((status = decode_attr_type(xdr, bitmap, &type)) != 0)
+        status = decode_attr_type(xdr, bitmap, &type);
+        if (status < 0)
                 goto xdr_error;
         fattr->mode = nfs_type2fmt[type];
 
-        if ((status = decode_attr_change(xdr, bitmap, &fattr->change_attr)) != 0)
+        status = decode_attr_change(xdr, bitmap, &fattr->change_attr);
+        if (status < 0)
                 goto xdr_error;
-        if ((status = decode_attr_size(xdr, bitmap, &fattr->size)) != 0)
+
+        status = decode_attr_size(xdr, bitmap, &fattr->size);
+        if (status < 0)
                 goto xdr_error;
-        if ((status = decode_attr_fsid(xdr, bitmap, &fattr->fsid)) != 0)
+
+        status = decode_attr_fsid(xdr, bitmap, &fattr->fsid);
+        if (status < 0)
                 goto xdr_error;
-        if ((status = decode_attr_fileid(xdr, bitmap, &fattr->fileid)) != 0)
+
+        status = decode_attr_fileid(xdr, bitmap, &fattr->fileid);
+        if (status < 0)
                 goto xdr_error;
-        if ((status = decode_attr_fs_locations(xdr, bitmap, container_of(fattr,
+
+        status = decode_attr_fs_locations(xdr, bitmap, container_of(fattr,
                                                 struct nfs4_fs_locations,
-                                                fattr))) != 0)
+                                                fattr));
+        if (status < 0)
                 goto xdr_error;
-        if ((status = decode_attr_mode(xdr, bitmap, &fmode)) != 0)
+
+        status = decode_attr_mode(xdr, bitmap, &fmode);
+        if (status < 0)
                 goto xdr_error;
         fattr->mode |= fmode;
-        if ((status = decode_attr_nlink(xdr, bitmap, &fattr->nlink)) != 0)
+
+        status = decode_attr_nlink(xdr, bitmap, &fattr->nlink);
+        if (status < 0)
                 goto xdr_error;
-        if ((status = decode_attr_owner(xdr, bitmap, server->nfs_client, &fattr->uid)) != 0)
+
+        status = decode_attr_owner(xdr, bitmap, server->nfs_client, &fattr->uid);
+        if (status < 0)
                 goto xdr_error;
-        if ((status = decode_attr_group(xdr, bitmap, server->nfs_client, &fattr->gid)) != 0)
+
+        status = decode_attr_group(xdr, bitmap, server->nfs_client, &fattr->gid);
+        if (status < 0)
                 goto xdr_error;
-        if ((status = decode_attr_rdev(xdr, bitmap, &fattr->rdev)) != 0)
+
+        status = decode_attr_rdev(xdr, bitmap, &fattr->rdev);
+        if (status < 0)
                 goto xdr_error;
-        if ((status = decode_attr_space_used(xdr, bitmap, &fattr->du.nfs3.used)) != 0)
+
+        status = decode_attr_space_used(xdr, bitmap, &fattr->du.nfs3.used);
+        if (status < 0)
                 goto xdr_error;
-        if ((status = decode_attr_time_access(xdr, bitmap, &fattr->atime)) != 0)
+
+        status = decode_attr_time_access(xdr, bitmap, &fattr->atime);
+        if (status < 0)
                 goto xdr_error;
-        if ((status = decode_attr_time_metadata(xdr, bitmap, &fattr->ctime)) != 0)
+
+        status = decode_attr_time_metadata(xdr, bitmap, &fattr->ctime);
+        if (status < 0)
                 goto xdr_error;
-        if ((status = decode_attr_time_modify(xdr, bitmap, &fattr->mtime)) != 0)
+
+        status = decode_attr_time_modify(xdr, bitmap, &fattr->mtime);
+        if (status < 0)
                 goto xdr_error;
-        if ((status = decode_attr_mounted_on_fileid(xdr, bitmap, &fileid)) != 0)
+
+        status = decode_attr_mounted_on_fileid(xdr, bitmap, &fileid);
+        if (status < 0)
                 goto xdr_error;
         if (fattr->fileid == 0 && fileid != 0)
                 fattr->fileid = fileid;
-        if ((status = verify_attr_len(xdr, savep, attrlen)) == 0)
+
+        status = verify_attr_len(xdr, savep, attrlen);
+        if (status == 0)
                 fattr->valid = NFS_ATTR_FATTR_V4;
 xdr_error:
         dprintk("%s: xdr returned %d\n", __func__, -status);