Re: [PATCH] scsi: cxlflash: Fix null pointer dereference in ocxlflash_get_fd

[Markus Elfring]

> kasprintf() returns a pointer to dynamically allocated memory
> which can be NULL upon failure.
…
> +++ b/drivers/scsi/cxlflash/ocxl_hw.c
> @@ -1231,6 +1231,11 @@ static struct file *ocxlflash_get_fd(void *ctx_cookie,
>  		fops = (struct file_operations *)&ocxl_afu_fops;
>
>  	name = kasprintf(GFP_KERNEL, "ocxlflash:%d", ctx->pe);
> +	if (!name) {
> +		rc = -ENOMEM;
> +		dev_err(dev, "%s: kasprintf allocation failed\n", __func__);
> +		goto err2;
> +	}
…

How do you think about to omit the extra error message?

Regards,
Markus