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Date: Sun, 26 Sep 2010 12:59:41 +0400
From: Vasiliy Kulikov <segooon@...il.com>
To: kernel-janitors@...r.kernel.org
Cc: Mauro Carvalho Chehab <mchehab@...hat.com>,
linux-edac@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH] edac: i7300_edac: call pci_disable_device
Neither i7300_init_one() nor i7300_remove_one() calls pci_disable_device()
after enabling it.
---
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
--
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