This patch seem to be fine. Please consider this patch as Acked-by: "Nandigama, Nagalakshmi" <Nagalakshmi.Nandigama@xxxxxxx> Regards, Nagalakshmi -----Original Message----- From: Hanjun Guo [mailto:guohanjun@xxxxxxxxxx] Sent: Saturday, August 11, 2012 8:29 AM To: Moore, Eric Cc: Yinghai Lu; Yijing Wang; linux-scsi@xxxxxxxxxxxxxxx; DL-MPT Fusion Linux; linux-kernel@xxxxxxxxxxxxxxx; Hanjun Guo; Jiang Liu Subject: [RFC PATCH][RESEND] Fusion MPT: disable pci device when mpt map resoures failed when probe a pci device, first we enable it, and disable it when some error happened in the following process, because the power state of the device is set to D0, and if MSI is disabled, we will allocate irq and register gsi for this device in the enable process. In function mpt_mapresources(MPT_ADAPTER *ioc), it forgot disable the pci device when error happened, the irq and gsi will never be released. this patch will fix it. Signed-off-by: Hanjun Guo <guohanjun@xxxxxxxxxx> Signed-off-by: Jiang Liu <jiang.liu@xxxxxxxxxx> --- drivers/message/fusion/mptbase.c | 18 +++++++++++------- 1 files changed, 11 insertions(+), 7 deletions(-) diff --git a/drivers/message/fusion/mptbase.c b/drivers/message/fusion/mptbase.c index d99db56..fb69baa 100644 --- a/drivers/message/fusion/mptbase.c +++ b/drivers/message/fusion/mptbase.c @@ -1666,7 +1666,7 @@ mpt_mapresources(MPT_ADAPTER *ioc) if (pci_request_selected_regions(pdev, ioc->bars, "mpt")) { printk(MYIOC_s_ERR_FMT "pci_request_selected_regions() with " "MEM failed\n", ioc->name); - return r; + goto out_pci_disable_device; } if (sizeof(dma_addr_t) > 4) { @@ -1690,8 +1690,7 @@ mpt_mapresources(MPT_ADAPTER *ioc) } else { printk(MYIOC_s_WARN_FMT "no suitable DMA mask for %s\n", ioc->name, pci_name(pdev)); - pci_release_selected_regions(pdev, ioc->bars); - return r; + goto out_pci_release_region; } } else { if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) @@ -1704,8 +1703,7 @@ mpt_mapresources(MPT_ADAPTER *ioc) } else { printk(MYIOC_s_WARN_FMT "no suitable DMA mask for %s\n", ioc->name, pci_name(pdev)); - pci_release_selected_regions(pdev, ioc->bars); - return r; + goto out_pci_release_region; } } @@ -1735,8 +1733,8 @@ mpt_mapresources(MPT_ADAPTER *ioc) if (mem == NULL) { printk(MYIOC_s_ERR_FMT ": ERROR - Unable to map adapter" " memory!\n", ioc->name); - pci_release_selected_regions(pdev, ioc->bars); - return -EINVAL; + r = -EINVAL; + goto out_pci_release_region; } ioc->memmap = mem; dinitprintk(ioc, printk(MYIOC_s_INFO_FMT "mem = %p, mem_phys = %llx\n", @@ -1750,6 +1748,12 @@ mpt_mapresources(MPT_ADAPTER *ioc) ioc->pio_chip = (SYSIF_REGS __iomem *)port; return 0; + +out_pci_release_region: + pci_release_selected_regions(pdev, ioc->bars); +out_pci_disable_device: + pci_disable_device(pdev); + return r; } /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ -- 1.7.6.1 -- To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
