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Subject[PATCH] make drivers/scsi/qlogicfc.c check_region -> request_region + cleanup (241p9)
Hi.

(I am guessing you as the maintainer of this code. If you are not,
I apologize for your inconvenience.)

The following patch makes drivers/scsi/qlogicfc.c check the
return code of scsi_register, adds a missing pci64_free_consistent on
an error path and makes it use request_region exclusively.

It applies cleanly against ac10 and 241p9.

Comments?



--- linux-ac10-clean/drivers/scsi/qlogicfc.c Mon Sep 18 22:36:25 2000
+++ linux-ac10/drivers/scsi/qlogicfc.c Sat Jan 20 23:07:09 2001
@@ -756,6 +756,10 @@
continue;

host = scsi_register(tmpt, sizeof(struct isp2x00_hostdata));
+ if (!host) {
+ printk("qlogicfc%d : could not register host.\n", hostdata->host_id);
+ continue;
+ }
host->max_id = QLOGICFC_MAX_ID + 1;
host->max_lun = QLOGICFC_MAX_LUN;
host->hostt->use_new_eh_code = 1;
@@ -767,6 +771,7 @@

if (!hostdata->res){
printk("qlogicfc%d : could not allocate memory for request and response queue.\n", hostdata->host_id);
+ pci64_free_consistent(pdev, RES_SIZE + REQ_SIZE, hostdata->res, busaddr);
scsi_unregister(host);
continue;
}
@@ -812,7 +817,7 @@
scsi_unregister(host);
continue;
}
- if (check_region(host->io_port, 0xff)) {
+ if (!request_region(host->io_port, 0xff, "qlogicfc")) {
printk("qlogicfc%d : i/o region 0x%lx-0x%lx already "
"in use\n",
hostdata->host_id, host->io_port, host->io_port + 0xff);
@@ -821,7 +826,6 @@
scsi_unregister(host);
continue;
}
- request_region(host->io_port, 0xff, "qlogicfc");

outw(0x0, host->io_port + PCI_SEMAPHORE);
outw(HCCR_CLEAR_RISC_INTR, host->io_port + HOST_HCCR);

--
Regards,
Rasmus(rasmus@jaquet.dk)

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