Hi.
(I am guessing you as maintainer of this code. If you are not,
I apologise.)
The following patch makes drivers/scsi/fd_mcs.c use the return
code of request_region instead of check_region. It also makes
the driver release the irq on error. It applies cleanly against
ac10 and 241p9.
Comments?
--- linux-ac10-clean/drivers/scsi/fd_mcs.c Mon Sep 18 22:36:25 2000
+++ linux-ac10/drivers/scsi/fd_mcs.c Mon Jan 22 22:55:53 2001
@@ -406,23 +406,24 @@
/* claim the slot */
mca_set_adapter_name( slot-1, fd_mcs_adapters[loop].name );
- /* check irq/region */
- if (check_region(port, 0x10) ||
- request_irq(irq, fd_mcs_intr,
- SA_SHIRQ, "fd_mcs", hosts)) {
- printk( "fd_mcs: check_region() || request_irq() failed, Skip it\n");
-
+ /* check/get irq/region */
+ if (!request_region(port, 0x10, "fd_mcs") ) {
+ printk(KERN_WARNING "fd_mcs: request_region() failed, Skip it\n");
continue;
}
+
+ if (request_irq(irq, fd_mcs_intr, SA_SHIRQ, "fd_mcs", hosts)) {
+ printk(KERN_WARNING "fd_mcs: request_irq() failed, Skip it\n");
+ goto err_release;
+ }
/* register */
if (!(shpnt = scsi_register(tpnt, sizeof(struct fd_hostdata)))) {
printk( "fd_mcs: scsi_register() failed\n");
- continue;
+ goto err_free_irq;
}
/* request I/O region */
- request_region( port, 0x10, "fd_mcs" );
/* save name */
strcpy(adapter_name, fd_mcs_adapters[loop].name);
@@ -578,6 +579,12 @@
FD_MAX_HOSTS);
break;
}
+ continue;
+
+ err_free_irq:
+ free_irq(irq, fd_mcs_intr);
+ err_release:
+ release_region(port, 0x10);
}
return found;
--
Regards,
Rasmus([EMAIL PROTECTED])
Three things are certain:
Death, taxes, and lost data.
Guess which has occurred. --- Error messages in haiku
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