[PATCH] EDAC: i82875p cleanup
- Fix i82875p_probe1() so it calls pci_get_device() instead of
pci_find_device().
- Fix i82875p_probe1() so it cleans up properly on failure.
- Fix i82875p_init() so it cleans up properly on failure.
Signed-off-by: David S. Peterson <dsp@llnl.gov>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/drivers/edac/i82875p_edac.c b/drivers/edac/i82875p_edac.c
index a547c30..c521178 100644
--- a/drivers/edac/i82875p_edac.c
+++ b/drivers/edac/i82875p_edac.c
@@ -289,7 +289,7 @@
debugf0("%s()\n", __func__);
- ovrfl_pdev = pci_find_device(PCI_VEND_DEV(INTEL, 82875_6), NULL);
+ ovrfl_pdev = pci_get_device(PCI_VEND_DEV(INTEL, 82875_6), NULL);
if (!ovrfl_pdev) {
/*
@@ -302,26 +302,26 @@
ovrfl_pdev =
pci_scan_single_device(pdev->bus, PCI_DEVFN(6, 0));
if (!ovrfl_pdev)
- goto fail;
+ return -ENODEV;
}
#ifdef CONFIG_PROC_FS
if (!ovrfl_pdev->procent && pci_proc_attach_device(ovrfl_pdev)) {
i82875p_printk(KERN_ERR,
"%s(): Failed to attach overflow device\n",
__func__);
- goto fail;
+ return -ENODEV;
}
#endif /* CONFIG_PROC_FS */
if (pci_enable_device(ovrfl_pdev)) {
i82875p_printk(KERN_ERR,
"%s(): Failed to enable overflow device\n",
__func__);
- goto fail;
+ return -ENODEV;
}
if (pci_request_regions(ovrfl_pdev, pci_name(ovrfl_pdev))) {
#ifdef CORRECT_BIOS
- goto fail;
+ goto fail0;
#endif
}
/* cache is irrelevant for PCI bus reads/writes */
@@ -331,7 +331,7 @@
if (!ovrfl_window) {
i82875p_printk(KERN_ERR, "%s(): Failed to ioremap bar6\n",
__func__);
- goto fail;
+ goto fail1;
}
/* need to find out the number of channels */
@@ -345,7 +345,7 @@
if (!mci) {
rc = -ENOMEM;
- goto fail;
+ goto fail2;
}
debugf3("%s(): init mci\n", __func__);
@@ -402,25 +402,26 @@
if (edac_mc_add_mc(mci)) {
debugf3("%s(): failed edac_mc_add_mc()\n", __func__);
- goto fail;
+ goto fail3;
}
/* get this far and it's successful */
debugf3("%s(): success\n", __func__);
return 0;
- fail:
- if (mci)
- edac_mc_free(mci);
+fail3:
+ edac_mc_free(mci);
- if (ovrfl_window)
- iounmap(ovrfl_window);
+fail2:
+ iounmap(ovrfl_window);
- if (ovrfl_pdev) {
- pci_release_regions(ovrfl_pdev);
- pci_disable_device(ovrfl_pdev);
- }
+fail1:
+ pci_release_regions(ovrfl_pdev);
+#ifdef CORRECT_BIOS
+fail0:
+#endif
+ pci_disable_device(ovrfl_pdev);
/* NOTE: the ovrfl proc entry and pci_dev are intentionally left */
return rc;
}
@@ -497,24 +498,33 @@
debugf3("%s()\n", __func__);
pci_rc = pci_register_driver(&i82875p_driver);
if (pci_rc < 0)
- return pci_rc;
+ goto fail0;
if (mci_pdev == NULL) {
- i82875p_registered = 0;
mci_pdev =
pci_get_device(PCI_VENDOR_ID_INTEL,
PCI_DEVICE_ID_INTEL_82875_0, NULL);
if (!mci_pdev) {
debugf0("875p pci_get_device fail\n");
- return -ENODEV;
+ pci_rc = -ENODEV;
+ goto fail1;
}
pci_rc = i82875p_init_one(mci_pdev, i82875p_pci_tbl);
if (pci_rc < 0) {
debugf0("875p init fail\n");
- pci_dev_put(mci_pdev);
- return -ENODEV;
+ pci_rc = -ENODEV;
+ goto fail1;
}
}
return 0;
+
+fail1:
+ pci_unregister_driver(&i82875p_driver);
+
+fail0:
+ if (mci_pdev != NULL)
+ pci_dev_put(mci_pdev);
+
+ return pci_rc;
}