Re: [PATCH net] bnxt_en: fix error return code in bnxt_init_board()

From: Michael Chan
Date: Fri Nov 20 2020 - 02:18:00 EST


On Thu, Nov 19, 2020 at 9:53 PM Jakub Kicinski <kuba@xxxxxxxxxx> wrote:
>
> On Thu, 19 Nov 2020 10:53:23 -0800 Edwin Peer wrote:
> > > Fix to return a negative error code from the error handling
> > > case instead of 0, as done elsewhere in this function.
> > >
> > > Fixes: c0c050c58d84 ("bnxt_en: New Broadcom ethernet driver.")
> > > Reported-by: Hulk Robot <hulkci@xxxxxxxxxx>
> > > Signed-off-by: Zhang Changzhong <zhangchangzhong@xxxxxxxxxx>
>
> > > if (dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(64)) != 0 &&
> > > dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(32)) != 0) {
> > > dev_err(&pdev->dev, "System does not support DMA, aborting\n");
> > > + rc = -EIO;
> > > goto init_err_disable;
>
> Edwin, please double check if this shouldn't jump to
> pci_release_regions() (or maybe it's harmless 'cause
> PCI likes to magically release things on its own).

Good point. We definitely should call pci_release_regions() for correctness.

I will send out the patch shortly. Thanks.

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