Merge tag 'md-3.7' of git://neil.brown.name/md

[platform/adaptation/renesas_rcar/renesas_kernel.git] / fs / hfs / super.c

diff --git a/fs/hfs/super.c b/fs/hfs/super.c
index 4eb873e..e93ddaa 100644 (file)
--- a/fs/hfs/super.c
+++ b/fs/hfs/super.c
@@ -138,7 +138,9 @@ static int hfs_show_options(struct seq_file *seq, struct dentry *root)
                seq_printf(seq, ",creator=%.4s", (char *)&sbi->s_creator);
        if (sbi->s_type != cpu_to_be32(0x3f3f3f3f))
                seq_printf(seq, ",type=%.4s", (char *)&sbi->s_type);
-       seq_printf(seq, ",uid=%u,gid=%u", sbi->s_uid, sbi->s_gid);
+       seq_printf(seq, ",uid=%u,gid=%u",
+                       from_kuid_munged(&init_user_ns, sbi->s_uid),
+                       from_kgid_munged(&init_user_ns, sbi->s_gid));
        if (sbi->s_file_umask != 0133)
                seq_printf(seq, ",file_umask=%o", sbi->s_file_umask);
        if (sbi->s_dir_umask != 0022)
@@ -254,14 +256,22 @@ static int parse_options(char *options, struct hfs_sb_info *hsb)
                                printk(KERN_ERR "hfs: uid requires an argument\n");
                                return 0;
                        }
-                       hsb->s_uid = (uid_t)tmp;
+                       hsb->s_uid = make_kuid(current_user_ns(), (uid_t)tmp);
+                       if (!uid_valid(hsb->s_uid)) {
+                               printk(KERN_ERR "hfs: invalid uid %d\n", tmp);
+                               return 0;
+                       }
                        break;
                case opt_gid:
                        if (match_int(&args[0], &tmp)) {
                                printk(KERN_ERR "hfs: gid requires an argument\n");
                                return 0;
                        }
-                       hsb->s_gid = (gid_t)tmp;
+                       hsb->s_gid = make_kgid(current_user_ns(), (gid_t)tmp);
+                       if (!gid_valid(hsb->s_gid)) {
+                               printk(KERN_ERR "hfs: invalid gid %d\n", tmp);
+                               return 0;
+                       }
                        break;
                case opt_umask:
                        if (match_octal(&args[0], &tmp)) {
@@ -482,6 +492,12 @@ static int __init init_hfs_fs(void)
 static void __exit exit_hfs_fs(void)
 {
        unregister_filesystem(&hfs_fs_type);
+
+       /*
+        * Make sure all delayed rcu free inodes are flushed before we
+        * destroy cache.
+        */
+       rcu_barrier();
        kmem_cache_destroy(hfs_inode_cachep);
 }