diff options
| author | Jeff Garzik <jeff@garzik.org> | 2007-11-11 19:52:05 -0500 |
|---|---|---|
| committer | James Bottomley <James.Bottomley@HansenPartnership.com> | 2007-11-25 12:19:26 +0200 |
| commit | 1e641664301744f0d381de43ae1e12343e60b479 (patch) | |
| tree | 974c977e1dd9787c943d16b771372f08b48f346d /drivers/scsi/sun3_scsi.c | |
| parent | 86e8dfc5603ed76917eed0a9dd9e85a1e1a8b162 (diff) | |
| download | lwn-1e641664301744f0d381de43ae1e12343e60b479.tar.gz lwn-1e641664301744f0d381de43ae1e12343e60b479.zip | |
[SCSI] NCR5380: Fix bugs and canonicalize irq handler usage
* Always pass the same value to free_irq() that we pass to
request_irq(). This fixes several bugs.
* Always call NCR5380_intr() with 'irq' and 'dev_id' arguments.
Note, scsi_falcon_intr() is the only case now where dev_id is not the
scsi_host.
* Always pass Scsi_Host to request_irq(). For most cases, the drivers
already did so, and I merely neated the source code line. In other
cases, either NULL or a non-sensical value was passed, verified to be
unused, then changed to be Scsi_Host in anticipation of the future.
In addition to the bugs fixes, this change makes the interface usage
consistent, which in turn enables the possibility of directly
referencing Scsi_Host from all NCR5380_intr() invocations.
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
Diffstat (limited to 'drivers/scsi/sun3_scsi.c')
| -rw-r--r-- | drivers/scsi/sun3_scsi.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/scsi/sun3_scsi.c b/drivers/scsi/sun3_scsi.c index 5e46d842c6f9..e606cf0a2eb7 100644 --- a/drivers/scsi/sun3_scsi.c +++ b/drivers/scsi/sun3_scsi.c @@ -268,7 +268,7 @@ int sun3scsi_detect(struct scsi_host_template * tpnt) ((struct NCR5380_hostdata *)instance->hostdata)->ctrl = 0; if (request_irq(instance->irq, scsi_sun3_intr, - 0, "Sun3SCSI-5380", NULL)) { + 0, "Sun3SCSI-5380", instance)) { #ifndef REAL_DMA printk("scsi%d: IRQ%d not free, interrupts disabled\n", instance->host_no, instance->irq); @@ -310,7 +310,7 @@ int sun3scsi_detect(struct scsi_host_template * tpnt) int sun3scsi_release (struct Scsi_Host *shpnt) { if (shpnt->irq != SCSI_IRQ_NONE) - free_irq (shpnt->irq, NULL); + free_irq(shpnt->irq, shpnt); iounmap((void *)sun3_scsi_regp); |