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SubjectRe: [PATCH v1 1/1] maillbox: bcm-flexrm-mailbox: handle cmpl_pool dma allocation failure
On 2020-03-17 09:52:16, Rayagonda Kokatanur wrote:
> Handle 'cmpl_pool' dma memory allocation failure.
>
> Signed-off-by: Rayagonda Kokatanur <rayagonda.kokatanur@broadcom.com>

This looks correct to me.

Reviewed-by: Tyler Hicks <tyhicks@linux.microsoft.com>

It would be ideal if we could include this tag when applying the fix (or
sending a v2):

Fixes: a9a9da47f8e6 ("mailbox: no need to check return value of debugfs_create functions")

Thanks!

Tyler

> ---
> drivers/mailbox/bcm-flexrm-mailbox.c | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/drivers/mailbox/bcm-flexrm-mailbox.c b/drivers/mailbox/bcm-flexrm-mailbox.c
> index 8ee9db274802..bee33abb5308 100644
> --- a/drivers/mailbox/bcm-flexrm-mailbox.c
> +++ b/drivers/mailbox/bcm-flexrm-mailbox.c
> @@ -1599,6 +1599,7 @@ static int flexrm_mbox_probe(struct platform_device *pdev)
> 1 << RING_CMPL_ALIGN_ORDER, 0);
> if (!mbox->cmpl_pool) {
> ret = -ENOMEM;
> + goto fail_destroy_bd_pool;
> }
>
> /* Allocate platform MSIs for each ring */
> @@ -1661,6 +1662,7 @@ static int flexrm_mbox_probe(struct platform_device *pdev)
> platform_msi_domain_free_irqs(dev);
> fail_destroy_cmpl_pool:
> dma_pool_destroy(mbox->cmpl_pool);
> +fail_destroy_bd_pool:
> dma_pool_destroy(mbox->bd_pool);
> fail:
> return ret;
> --
> 2.17.1
>

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