[SCSI] Switch fdomain to the pci_get API
Doesn't make the hardware hot pluggable but does ensure the driver won't
crash when another device is hot-unplugged at the wrong moment. Soon I
propose to deprecate pci_find_device() and some of its friends.
Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
diff --git a/drivers/scsi/fdomain.c b/drivers/scsi/fdomain.c
index 41b05fc4..2a96424 100644
--- a/drivers/scsi/fdomain.c
+++ b/drivers/scsi/fdomain.c
@@ -387,6 +387,7 @@
static int bios_major;
static int bios_minor;
static int PCI_bus;
+static struct pci_dev *PCI_dev;
static int Quantum; /* Quantum board variant */
static int interrupt_level;
static volatile int in_command;
@@ -812,9 +813,10 @@
PCI_DEVICE_ID_FD_36C70 );
#endif
- if ((pdev = pci_find_device(PCI_VENDOR_ID_FD, PCI_DEVICE_ID_FD_36C70, pdev)) == NULL)
+ if ((pdev = pci_get_device(PCI_VENDOR_ID_FD, PCI_DEVICE_ID_FD_36C70, pdev)) == NULL)
return 0;
- if (pci_enable_device(pdev)) return 0;
+ if (pci_enable_device(pdev))
+ goto fail;
#if DEBUG_DETECT
printk( "scsi: <fdomain> TMC-3260 detect:"
@@ -831,7 +833,7 @@
pci_irq = pdev->irq;
if (!request_region( pci_base, 0x10, "fdomain" ))
- return 0;
+ goto fail;
/* Now we have the I/O base address and interrupt from the PCI
configuration registers. */
@@ -848,17 +850,22 @@
if (!fdomain_is_valid_port(pci_base)) {
printk(KERN_ERR "scsi: <fdomain> PCI card detected, but driver not loaded (invalid port)\n" );
release_region(pci_base, 0x10);
- return 0;
+ goto fail;
}
/* Fill in a few global variables. Ugh. */
bios_major = bios_minor = -1;
PCI_bus = 1;
+ PCI_dev = pdev;
Quantum = 0;
bios_base = 0;
return 1;
+fail:
+ pci_dev_put(pdev);
+ return 0;
}
+
#endif
struct Scsi_Host *__fdomain_16x0_detect(struct scsi_host_template *tpnt )
@@ -909,8 +916,7 @@
if (setup_called) {
printk(KERN_ERR "scsi: <fdomain> Bad LILO/INSMOD parameters?\n");
}
- release_region(port_base, 0x10);
- return NULL;
+ goto fail;
}
if (this_id) {
@@ -942,8 +948,7 @@
/* Log IRQ with kernel */
if (!interrupt_level) {
printk(KERN_ERR "scsi: <fdomain> Card Detected, but driver not loaded (no IRQ)\n" );
- release_region(port_base, 0x10);
- return NULL;
+ goto fail;
} else {
/* Register the IRQ with the kernel */
@@ -964,11 +969,14 @@
printk(KERN_ERR " Send mail to faith@acm.org\n" );
}
printk(KERN_ERR "scsi: <fdomain> Detected, but driver not loaded (IRQ)\n" );
- release_region(port_base, 0x10);
- return NULL;
+ goto fail;
}
}
return shpnt;
+fail:
+ pci_dev_put(pdev);
+ release_region(port_base, 0x10);
+ return NULL;
}
static int fdomain_16x0_detect(struct scsi_host_template *tpnt)
@@ -1714,6 +1722,8 @@
free_irq(shpnt->irq, shpnt);
if (shpnt->io_port && shpnt->n_io_port)
release_region(shpnt->io_port, shpnt->n_io_port);
+ if (PCI_bus)
+ pci_dev_put(PCI_dev);
return 0;
}
