diff options
| author | Eric W. Biederman <ebiederm@xmission.com> | 2012-02-10 11:40:34 -0800 |
|---|---|---|
| committer | Eric W. Biederman <ebiederm@xmission.com> | 2012-09-21 03:13:33 -0700 |
| commit | c18cdc1a3ec643b5c6c0d65aac1a6bf8e461778f (patch) | |
| tree | cf64715724bb73a7bb19cd15ba87188d0a31af38 /fs/jfs/super.c | |
| parent | 0cfe53d3c3875e1dd565b30737cd5c6691c00188 (diff) | |
userns: Convert jfs to use kuid/kgid where appropriate
Cc: Dave Kleikamp <shaggy@kernel.org>
Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
Diffstat (limited to 'fs/jfs/super.c')
| -rw-r--r-- | fs/jfs/super.c | 22 |
1 files changed, 15 insertions, 7 deletions
diff --git a/fs/jfs/super.c b/fs/jfs/super.c index c55c7452d285..706692f24033 100644 --- a/fs/jfs/super.c +++ b/fs/jfs/super.c @@ -321,13 +321,19 @@ static int parse_options(char *options, struct super_block *sb, s64 *newLVSize, case Opt_uid: { char *uid = args[0].from; - sbi->uid = simple_strtoul(uid, &uid, 0); + uid_t val = simple_strtoul(uid, &uid, 0); + sbi->uid = make_kuid(current_user_ns(), val); + if (!uid_valid(sbi->uid)) + goto cleanup; break; } case Opt_gid: { char *gid = args[0].from; - sbi->gid = simple_strtoul(gid, &gid, 0); + gid_t val = simple_strtoul(gid, &gid, 0); + sbi->gid = make_kgid(current_user_ns(), val); + if (!gid_valid(sbi->gid)) + goto cleanup; break; } case Opt_umask: @@ -443,7 +449,9 @@ static int jfs_fill_super(struct super_block *sb, void *data, int silent) sb->s_fs_info = sbi; sb->s_max_links = JFS_LINK_MAX; sbi->sb = sb; - sbi->uid = sbi->gid = sbi->umask = -1; + sbi->uid = INVALID_UID; + sbi->gid = INVALID_GID; + sbi->umask = -1; /* initialize the mount flag and determine the default error handler */ flag = JFS_ERR_REMOUNT_RO; @@ -617,10 +625,10 @@ static int jfs_show_options(struct seq_file *seq, struct dentry *root) { struct jfs_sb_info *sbi = JFS_SBI(root->d_sb); - if (sbi->uid != -1) - seq_printf(seq, ",uid=%d", sbi->uid); - if (sbi->gid != -1) - seq_printf(seq, ",gid=%d", sbi->gid); + if (uid_valid(sbi->uid)) + seq_printf(seq, ",uid=%d", from_kuid(&init_user_ns, sbi->uid)); + if (gid_valid(sbi->gid)) + seq_printf(seq, ",gid=%d", from_kgid(&init_user_ns, sbi->gid)); if (sbi->umask != -1) seq_printf(seq, ",umask=%03o", sbi->umask); if (sbi->flag & JFS_NOINTEGRITY) |