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[SCSI] ips: Close narrow race in release

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We were releasing the IRQ before removing the host, so commands could
still be coming in which would never be seen by the interrupt handler.
Just remove the host before releasing the IRQ to close this race.

Signed-off-by: Matthew Wilcox <matthew@wil.cx>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
This commit is contained in:
Matthew Wilcox 2007-08-15 12:57:00 -06:00 committed by James Bottomley
parent f01abb362f
commit a50ee7a728
1 changed files with 2 additions and 1 deletions
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3
drivers/scsi/ips.c
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@ -656,6 +656,8 @@ ips_release(struct Scsi_Host *sh)
METHOD_TRACE("ips_release", 1);
scsi_remove_host(sh);
for (i = 0; i < IPS_MAX_ADAPTERS && ips_sh[i] != sh; i++) ;
if (i == IPS_MAX_ADAPTERS) {
@ -707,7 +709,6 @@ ips_release(struct Scsi_Host *sh)
/* free IRQ */
free_irq(ha->irq, ha);
scsi_remove_host(sh);
scsi_host_put(sh);
ips_released_controllers++;