Commit 8510a043 authored Apr 05, 2022 by Namjae Jeon Committed by Steve French Apr 14, 2022

ksmbd: increment reference count of parent fp



Add missing increment reference count of parent fp in
ksmbd_lookup_fd_inode().

Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
Reviewed-by: Hyunchul Lee <hyc.lee@gmail.com>
Signed-off-by: Steve French <stfrench@microsoft.com>

parent 50f500b7

fs/ksmbd/smb2pdu.c

+2 −0

Original line number	Diff line number	Diff line
		@@ -5758,8 +5758,10 @@ static int set_rename_info(struct ksmbd_work work, struct ksmbd_file fp,
		if (parent_fp) {
		if (parent_fp->daccess & FILE_DELETE_LE) {
		pr_err("parent dir is opened with delete access\n");
		ksmbd_fd_put(work, parent_fp);
		return -ESHARE;
		}
		ksmbd_fd_put(work, parent_fp);
		}
		next:
		return smb2_rename(work, fp, user_ns, rename_info,

fs/ksmbd/vfs_cache.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -496,6 +496,7 @@ struct ksmbd_file ksmbd_lookup_fd_inode(struct inode inode)
		list_for_each_entry(lfp, &ci->m_fp_list, node) {
		if (inode == file_inode(lfp->filp)) {
		atomic_dec(&ci->m_count);
		lfp = ksmbd_fp_get(lfp);
		read_unlock(&ci->m_lock);
		return lfp;
		}