On Tue, Aug 12, 2025 at 04:37:52PM +0100, Vadim Fedorenko wrote: > On 12/08/2025 10:39, Dong Yibo wrote: > > Add build options and doc for mucse. > > Initialize pci device access for MUCSE devices. > > > > Signed-off-by: Dong Yibo <dong100@xxxxxxxxx> > > --- > > [...] > > > +/** > > + * rnpgbe_probe - Device initialization routine > > + * @pdev: PCI device information struct > > + * @id: entry in rnpgbe_pci_tbl > > + * > > + * rnpgbe_probe initializes a PF adapter identified by a pci_dev > > + * structure. > > + * > > + * @return: 0 on success, negative on failure > > + **/ > > +static int rnpgbe_probe(struct pci_dev *pdev, const struct pci_device_id *id) > > +{ > > + int err; > > + > > + err = pci_enable_device_mem(pdev); > > + if (err) > > + return err; > > + > > + err = dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(56)); > > + if (err) { > > + dev_err(&pdev->dev, > > + "No usable DMA configuration, aborting %d\n", err); > > + goto err_dma; > > + } > > + > > + err = pci_request_mem_regions(pdev, rnpgbe_driver_name); > > + if (err) { > > + dev_err(&pdev->dev, > > + "pci_request_selected_regions failed 0x%x\n", err); > > + goto err_pci_req; > > + } > > + > > + pci_set_master(pdev); > > + pci_save_state(pdev); > > + > > + return 0; > > +err_dma: > > +err_pci_req: > > + pci_disable_device(pdev); > > + return err; > > +} > > Why do you need 2 different labels pointing to the very same line? The > code is not changed through patchset, I see no reasons to have it like > this > > > You are right, I should only 1 label here. Thanks for your feedback.