Re: [PATCH 3/4] ksmbd: increment reference count of parent fp

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On (22/03/01 08:48), Namjae Jeon wrote:
> diff --git a/fs/ksmbd/smb2pdu.c b/fs/ksmbd/smb2pdu.c
> index 3151ab7d7410..03c3733e54e4 100644
> --- a/fs/ksmbd/smb2pdu.c
> +++ b/fs/ksmbd/smb2pdu.c
> @@ -5764,8 +5764,10 @@ 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);
>  	}

And also in ksmbd_validate_entry_in_use()?

>  next:
>  	return smb2_rename(work, fp, user_ns, rename_info,
> diff --git a/fs/ksmbd/vfs_cache.c b/fs/ksmbd/vfs_cache.c
> index 0974d2e972b9..c4d59d2735f0 100644
> --- a/fs/ksmbd/vfs_cache.c
> +++ b/fs/ksmbd/vfs_cache.c
> @@ -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;
>  		}
> -- 
> 2.25.1
> 



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