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Commit 4a2c8cf5 authored by Eric W. Biederman's avatar Eric W. Biederman
Browse files

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: default avatar"Eric W. Biederman" <ebiederm@xmission.com>
parent 6d4a0832

fs/cifs/cifsglob.h

+2 −2
Original line number Diff line number Diff line
@@ -1245,8 +1245,8 @@ struct cifs_fattr { 
	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;

fs/cifs/inode.c

+10 −4
Original line number Diff line number Diff line
@@ -247,15 +247,21 @@ cifs_unix_basic_to_fattr(struct cifs_fattr *fattr, FILE_UNIX_BASIC_INFO *info, 
	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);