i7300_init_one() should call pci_disable_device() on error. i7300_remove_one() should call pci_disable_device() as i7300_init_one() calls pci_enable_device(). Also pci_enable_device() might return any error, not only -EIO, so check for nonzero return code instead of checking equation to -EIO. Signed-off-by: Vasiliy Kulikov <segooon@xxxxxxxxx> --- Compile tested. drivers/edac/i7300_edac.c | 35 +++++++++++++++++++++-------------- 1 files changed, 21 insertions(+), 14 deletions(-) diff --git a/drivers/edac/i7300_edac.c b/drivers/edac/i7300_edac.c index 38920c0..749fa75 100644 --- a/drivers/edac/i7300_edac.c +++ b/drivers/edac/i7300_edac.c @@ -1046,7 +1046,7 @@ static int __devinit i7300_init_one(struct pci_dev *pdev, /* wake up device */ rc = pci_enable_device(pdev); - if (rc == -EIO) + if (rc) return rc; debugf0("MC: " __FILE__ ": %s(), pdev bus %u dev=0x%x fn=0x%x\n", @@ -1055,8 +1055,9 @@ static int __devinit i7300_init_one(struct pci_dev *pdev, PCI_SLOT(pdev->devfn), PCI_FUNC(pdev->devfn)); /* We only are looking for func 0 of the set */ + rc = -ENODEV; if (PCI_FUNC(pdev->devfn) != 0) - return -ENODEV; + goto fail_disable; /* As we don't have a motherboard identification routine to determine * actual number of slots/dimms per channel, we thus utilize the @@ -1073,10 +1074,10 @@ static int __devinit i7300_init_one(struct pci_dev *pdev, __func__, num_channels, num_dimms_per_channel, num_csrows); /* allocate a new MC control structure */ + rc = -ENOMEM; mci = edac_mc_alloc(sizeof(*pvt), num_csrows, num_channels, 0); - if (mci == NULL) - return -ENOMEM; + goto fail_disable; debugf0("MC: " __FILE__ ": %s(): mci = %p\n", __func__, mci); @@ -1085,15 +1086,15 @@ static int __devinit i7300_init_one(struct pci_dev *pdev, pvt = mci->pvt_info; pvt->pci_dev_16_0_fsb_ctlr = pdev; /* Record this device in our private */ + rc = -ENOMEM; pvt->tmp_prt_buffer = kmalloc(PAGE_SIZE, GFP_KERNEL); - if (!pvt->tmp_prt_buffer) { - edac_mc_free(mci); - return -ENOMEM; - } + if (!pvt->tmp_prt_buffer) + goto fail_free; /* 'get' the pci devices we want to reserve for our use */ + rc = -ENODEV; if (i7300_get_devices(mci)) - goto fail0; + goto fail_buffer_free; mci->mc_idx = 0; mci->mtype_cap = MEM_FLAG_FB_DDR2; @@ -1121,13 +1122,14 @@ static int __devinit i7300_init_one(struct pci_dev *pdev, } /* add this new MC control structure to EDAC's list of MCs */ + rc = -ENODEV; if (edac_mc_add_mc(mci)) { debugf0("MC: " __FILE__ ": %s(): failed edac_mc_add_mc()\n", __func__); /* FIXME: perhaps some code should go here that disables error * reporting if we just enabled it */ - goto fail1; + goto fail_put; } i7300_clear_error(mci); @@ -1146,14 +1148,18 @@ static int __devinit i7300_init_one(struct pci_dev *pdev, return 0; /* Error exit unwinding stack */ -fail1: - +fail_put: i7300_put_devices(mci); -fail0: +fail_buffer_free: kfree(pvt->tmp_prt_buffer); + +fail_free: edac_mc_free(mci); - return -ENODEV; + +fail_disable: + pci_disable_device(pdev); + return rc; } /** @@ -1181,6 +1187,7 @@ static void __devexit i7300_remove_one(struct pci_dev *pdev) kfree(tmp); edac_mc_free(mci); + pci_disable_device(pdev); } /* -- 1.7.0.4 -- To unsubscribe from this list: send the line "unsubscribe kernel-janitors" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html