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author | Stefan Richter <stefanr@s5r6.in-berlin.de> | 2008-03-24 20:49:01 +0100 |
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committer | Stefan Richter <stefanr@s5r6.in-berlin.de> | 2008-04-18 17:55:30 +0200 |
commit | d09c68038306442e3566366b6988a6dd83481251 (patch) | |
tree | 1effe6065feb07c458e337a8fa0f06c49da24b32 /drivers/ieee1394 | |
parent | e351c4d069254b1267b66a3b101ece7547178485 (diff) | |
download | kernel_samsung_espresso10-d09c68038306442e3566366b6988a6dd83481251.zip kernel_samsung_espresso10-d09c68038306442e3566366b6988a6dd83481251.tar.gz kernel_samsung_espresso10-d09c68038306442e3566366b6988a6dd83481251.tar.bz2 |
ieee1394: ohci1394: unroll a macro with return
We don't want to hide something like return in a preprocessor macro.
Unroll the macro and use a goto, which also reduces the size of
ohci1394.ko.
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
Diffstat (limited to 'drivers/ieee1394')
-rw-r--r-- | drivers/ieee1394/ohci1394.c | 92 |
1 files changed, 54 insertions, 38 deletions
diff --git a/drivers/ieee1394/ohci1394.c b/drivers/ieee1394/ohci1394.c index 4665a6f..a660222 100644 --- a/drivers/ieee1394/ohci1394.c +++ b/drivers/ieee1394/ohci1394.c @@ -2984,13 +2984,6 @@ static struct hpsb_host_driver ohci1394_driver = { * PCI Driver Interface functions * ***********************************/ -#define FAIL(err, fmt, args...) \ -do { \ - PRINT_G(KERN_ERR, fmt , ## args); \ - ohci1394_pci_remove(dev); \ - return err; \ -} while (0) - #ifdef CONFIG_PPC_PMAC static void ohci1394_pmac_on(struct pci_dev *dev) { @@ -3026,15 +3019,21 @@ static int __devinit ohci1394_pci_probe(struct pci_dev *dev, struct hpsb_host *host; struct ti_ohci *ohci; /* shortcut to currently handled device */ resource_size_t ohci_base; + int err = -ENOMEM; ohci1394_pmac_on(dev); - if (pci_enable_device(dev)) - FAIL(-ENXIO, "Failed to enable OHCI hardware"); + if (pci_enable_device(dev)) { + PRINT_G(KERN_ERR, "Failed to enable OHCI hardware"); + err = -ENXIO; + goto err; + } pci_set_master(dev); host = hpsb_alloc_host(&ohci1394_driver, sizeof(struct ti_ohci), &dev->dev); - if (!host) FAIL(-ENOMEM, "Failed to allocate host structure"); - + if (!host) { + PRINT_G(KERN_ERR, "Failed to allocate host structure"); + goto err; + } ohci = host->hostdata; ohci->dev = dev; ohci->host = host; @@ -3083,15 +3082,20 @@ static int __devinit ohci1394_pci_probe(struct pci_dev *dev, (unsigned long long)pci_resource_len(dev, 0)); if (!request_mem_region(ohci_base, OHCI1394_REGISTER_SIZE, - OHCI1394_DRIVER_NAME)) - FAIL(-ENOMEM, "MMIO resource (0x%llx - 0x%llx) unavailable", + OHCI1394_DRIVER_NAME)) { + PRINT_G(KERN_ERR, "MMIO resource (0x%llx - 0x%llx) unavailable", (unsigned long long)ohci_base, (unsigned long long)ohci_base + OHCI1394_REGISTER_SIZE); + goto err; + } ohci->init_state = OHCI_INIT_HAVE_MEM_REGION; ohci->registers = ioremap(ohci_base, OHCI1394_REGISTER_SIZE); - if (ohci->registers == NULL) - FAIL(-ENXIO, "Failed to remap registers - card not accessible"); + if (ohci->registers == NULL) { + PRINT_G(KERN_ERR, "Failed to remap registers"); + err = -ENXIO; + goto err; + } ohci->init_state = OHCI_INIT_HAVE_IOMAPPING; DBGMSG("Remapped memory spaces reg 0x%p", ohci->registers); @@ -3099,16 +3103,20 @@ static int __devinit ohci1394_pci_probe(struct pci_dev *dev, ohci->csr_config_rom_cpu = pci_alloc_consistent(ohci->dev, OHCI_CONFIG_ROM_LEN, &ohci->csr_config_rom_bus); - if (ohci->csr_config_rom_cpu == NULL) - FAIL(-ENOMEM, "Failed to allocate buffer config rom"); + if (ohci->csr_config_rom_cpu == NULL) { + PRINT_G(KERN_ERR, "Failed to allocate buffer config rom"); + goto err; + } ohci->init_state = OHCI_INIT_HAVE_CONFIG_ROM_BUFFER; /* self-id dma buffer allocation */ ohci->selfid_buf_cpu = pci_alloc_consistent(ohci->dev, OHCI1394_SI_DMA_BUF_SIZE, &ohci->selfid_buf_bus); - if (ohci->selfid_buf_cpu == NULL) - FAIL(-ENOMEM, "Failed to allocate DMA buffer for self-id packets"); + if (ohci->selfid_buf_cpu == NULL) { + PRINT_G(KERN_ERR, "Failed to allocate self-ID buffer"); + goto err; + } ohci->init_state = OHCI_INIT_HAVE_SELFID_BUFFER; if ((unsigned long)ohci->selfid_buf_cpu & 0x1fff) @@ -3124,28 +3132,32 @@ static int __devinit ohci1394_pci_probe(struct pci_dev *dev, if (alloc_dma_rcv_ctx(ohci, &ohci->ar_req_context, DMA_CTX_ASYNC_REQ, 0, AR_REQ_NUM_DESC, AR_REQ_BUF_SIZE, AR_REQ_SPLIT_BUF_SIZE, - OHCI1394_AsReqRcvContextBase) < 0) - FAIL(-ENOMEM, "Failed to allocate AR Req context"); - + OHCI1394_AsReqRcvContextBase) < 0) { + PRINT_G(KERN_ERR, "Failed to allocate AR Req context"); + goto err; + } /* AR DMA response context allocation */ if (alloc_dma_rcv_ctx(ohci, &ohci->ar_resp_context, DMA_CTX_ASYNC_RESP, 0, AR_RESP_NUM_DESC, AR_RESP_BUF_SIZE, AR_RESP_SPLIT_BUF_SIZE, - OHCI1394_AsRspRcvContextBase) < 0) - FAIL(-ENOMEM, "Failed to allocate AR Resp context"); - + OHCI1394_AsRspRcvContextBase) < 0) { + PRINT_G(KERN_ERR, "Failed to allocate AR Resp context"); + goto err; + } /* AT DMA request context */ if (alloc_dma_trm_ctx(ohci, &ohci->at_req_context, DMA_CTX_ASYNC_REQ, 0, AT_REQ_NUM_DESC, - OHCI1394_AsReqTrContextBase) < 0) - FAIL(-ENOMEM, "Failed to allocate AT Req context"); - + OHCI1394_AsReqTrContextBase) < 0) { + PRINT_G(KERN_ERR, "Failed to allocate AT Req context"); + goto err; + } /* AT DMA response context */ if (alloc_dma_trm_ctx(ohci, &ohci->at_resp_context, DMA_CTX_ASYNC_RESP, 1, AT_RESP_NUM_DESC, - OHCI1394_AsRspTrContextBase) < 0) - FAIL(-ENOMEM, "Failed to allocate AT Resp context"); - + OHCI1394_AsRspTrContextBase) < 0) { + PRINT_G(KERN_ERR, "Failed to allocate AT Resp context"); + goto err; + } /* Start off with a soft reset, to clear everything to a sane * state. */ ohci_soft_reset(ohci); @@ -3188,9 +3200,10 @@ static int __devinit ohci1394_pci_probe(struct pci_dev *dev, * by that point. */ if (request_irq(dev->irq, ohci_irq_handler, IRQF_SHARED, - OHCI1394_DRIVER_NAME, ohci)) - FAIL(-ENOMEM, "Failed to allocate shared interrupt %d", dev->irq); - + OHCI1394_DRIVER_NAME, ohci)) { + PRINT_G(KERN_ERR, "Failed to allocate interrupt %d", dev->irq); + goto err; + } ohci->init_state = OHCI_INIT_HAVE_IRQ; ohci_initialize(ohci); @@ -3210,13 +3223,16 @@ static int __devinit ohci1394_pci_probe(struct pci_dev *dev, host->middle_addr_space = OHCI1394_MIDDLE_ADDRESS_SPACE; /* Tell the highlevel this host is ready */ - if (hpsb_add_host(host)) - FAIL(-ENOMEM, "Failed to register host with highlevel"); - + if (hpsb_add_host(host)) { + PRINT_G(KERN_ERR, "Failed to register host with highlevel"); + goto err; + } ohci->init_state = OHCI_INIT_DONE; return 0; -#undef FAIL +err: + ohci1394_pci_remove(dev); + return err; } static void ohci1394_pci_remove(struct pci_dev *dev) |