powerpc/spufs: convert userns uid/gid mount options to kuid/kgid

Acked-by: Jeremy Kerr <[email protected]>
Tested-by: Jeremy Kerr <[email protected]>
Signed-off-by: Dwight Engen <[email protected]>
Reviewed-by: Arnd Bergmann <[email protected]>
Signed-off-by: Ben Myers <[email protected]>

diff --git a/arch/powerpc/platforms/cell/spufs/inode.c b/arch/powerpc/platforms/cell/spufs/inode.c
index f3900427ffab5173ee05041a7375b9633312e835..87ba7cf99cd754590ffaf2f038926ae9098f4ca9 100644 (file)
--- a/arch/powerpc/platforms/cell/spufs/inode.c
+++ b/arch/powerpc/platforms/cell/spufs/inode.c
@@ -620,12 +620,16 @@ spufs_parse_options(struct super_block *sb, char *options, struct inode *root)
                case Opt_uid:
                        if (match_int(&args[0], &option))
                                return 0;
-                       root->i_uid = option;
+                       root->i_uid = make_kuid(current_user_ns(), option);
+                       if (!uid_valid(root->i_uid))
+                               return 0;
                        break;
                case Opt_gid:
                        if (match_int(&args[0], &option))
                                return 0;
-                       root->i_gid = option;
+                       root->i_gid = make_kgid(current_user_ns(), option);
+                       if (!gid_valid(root->i_gid))
+                               return 0;
                        break;
                case Opt_mode:
                        if (match_octal(&args[0], &option))