Re: [patch V2 09/10] scsi: ufs: qcom: Remove the MSI descriptor abuse

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On Thu, Mar 13, 2025 at 02:03:51PM +0100, Thomas Gleixner wrote:
> @@ -1799,8 +1803,7 @@ static irqreturn_t ufs_qcom_mcq_esi_hand
>  static int ufs_qcom_config_esi(struct ufs_hba *hba)
>  {
>  	struct ufs_qcom_host *host = ufshcd_get_variant(hba);
> -	struct msi_desc *desc;
> -	struct msi_desc *failed_desc = NULL;
> +	struct ufs_qcom_irq *qi;
>  	int nr_irqs, ret;
>  
>  	if (host->esi_enabled)
> @@ -1811,47 +1814,47 @@ static int ufs_qcom_config_esi(struct uf
>  	 * 2. Poll queues do not need ESI.
>  	 */
>  	nr_irqs = hba->nr_hw_queues - hba->nr_queues[HCTX_TYPE_POLL];
> +	qi = devm_kcalloc(hba->dev, nr_irqs, sizeof(*qi), GFP_KERNEL);
> +	if (qi)

This NULL check is reversed.  Missing !.

regards,
dan carpenter

> +		return -ENOMEM;
> +
>  	ret = platform_device_msi_init_and_alloc_irqs(hba->dev, nr_irqs,
>  						      ufs_qcom_write_msi_msg);





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