cifs: Convert struct cifs_fattr to use kuid and kgids
In cifs_unix_to_basic_fattr only update the cifs_fattr with an id if
it is valid after conversion.
Cc: Steve French <smfrench@gmail.com>
Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
diff --git a/fs/cifs/cifsglob.h b/fs/cifs/cifsglob.h
index 7993a7a..98312fd 100644
--- a/fs/cifs/cifsglob.h
+++ b/fs/cifs/cifsglob.h
@@ -1245,8 +1245,8 @@
u64 cf_eof;
u64 cf_bytes;
u64 cf_createtime;
- uid_t cf_uid;
- gid_t cf_gid;
+ kuid_t cf_uid;
+ kgid_t cf_gid;
umode_t cf_mode;
dev_t cf_rdev;
unsigned int cf_nlink;
diff --git a/fs/cifs/inode.c b/fs/cifs/inode.c
index 7376439..9638233 100644
--- a/fs/cifs/inode.c
+++ b/fs/cifs/inode.c
@@ -247,15 +247,21 @@
fattr->cf_uid = cifs_sb->mnt_uid;
if (!(cifs_sb->mnt_cifs_flags & CIFS_MOUNT_OVERR_UID)) {
u64 id = le64_to_cpu(info->Uid);
- if (id < ((uid_t)-1))
- fattr->cf_uid = id;
+ if (id < ((uid_t)-1)) {
+ kuid_t uid = make_kuid(&init_user_ns, id);
+ if (uid_valid(uid))
+ fattr->cf_uid = uid;
+ }
}
fattr->cf_gid = cifs_sb->mnt_gid;
if (!(cifs_sb->mnt_cifs_flags & CIFS_MOUNT_OVERR_GID)) {
u64 id = le64_to_cpu(info->Gid);
- if (id < ((gid_t)-1))
- fattr->cf_gid = id;
+ if (id < ((gid_t)-1)) {
+ kgid_t gid = make_kgid(&init_user_ns, id);
+ if (gid_valid(gid))
+ fattr->cf_gid = gid;
+ }
}
fattr->cf_nlink = le64_to_cpu(info->Nlinks);