userns: Convert omfs to use kuid and kgid where appropriate

Acked-by: Bob Copeland <me@bobcopeland.com>
Acked-by: Serge Hallyn <serge.hallyn@canonical.com>
Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>

2 files changed, 8 insertions, 4 deletions

diff --git a/fs/omfs/inode.c b/fs/omfs/inode.c
index e6213b3725d1..25d715c7c87a 100644
--- a/fs/omfs/inode.c
+++ b/fs/omfs/inode.c
@@ -391,12 +391,16 @@ static int parse_options(char *options, struct omfs_sb_info *sbi)
                 case Opt_uid:
                         if (match_int(&args[0], &option))
                                 return 0;
-                        sbi->s_uid = option;
+                        sbi->s_uid = make_kuid(current_user_ns(), option);
+                        if (!uid_valid(sbi->s_uid))
+                                return 0;
                         break;
                 case Opt_gid:
                         if (match_int(&args[0], &option))
                                 return 0;
-                        sbi->s_gid = option;
+                        sbi->s_gid = make_kgid(current_user_ns(), option);
+                        if (!gid_valid(sbi->s_gid))
+                                return 0;
                         break;
                 case Opt_umask:
                         if (match_octal(&args[0], &option))
diff --git a/fs/omfs/omfs.h b/fs/omfs/omfs.h
index 8941f12c6b01..f0f8bc75e609 100644
--- a/fs/omfs/omfs.h
+++ b/fs/omfs/omfs.h
@@ -19,8 +19,8 @@ struct omfs_sb_info {
         unsigned long **s_imap;
         int s_imap_size;
         struct mutex s_bitmap_lock;
-        int s_uid;
-        int s_gid;
+        kuid_t s_uid;
+        kgid_t s_gid;
         int s_dmask;
         int s_fmask;
 };