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Merge git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6

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* git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6:
  [SCSI] fix race in scsi_target_reap
  [SCSI] aacraid: Eliminate use after free
  [SCSI] arcmsr: Support HW reset for EH and polling scheme for scsi device
  [SCSI] bfa: fix system crash when reading sysfs fc_host statistics
  [SCSI] iscsi_tcp: remove sk_sleep check
  [SCSI] ipr: improve interrupt service routine performance
  [SCSI] ipr: set the data list length in the request control block
  [SCSI] ipr: fix a register read to use the correct address for 64 bit adapters
  [SCSI] ipr: include the resource path in the IOA status area structure
  [SCSI] ipr: implement fixes for 64 bit adapter support
  [SCSI] be2iscsi: correct return value in mgmt_invalidate_icds()
This commit is contained in:
Linus Torvalds
2010-05-27 10:28:11 -07:00
parent e4ce30f377 f9e8894ae5
commit e2e2400bd4
10 changed files with 710 additions and 308 deletions
Download Patch File Download Diff File Expand all files Collapse all files

9
drivers/scsi/scsi_scan.c
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@@ -492,19 +492,20 @@ void scsi_target_reap(struct scsi_target *starget)
struct Scsi_Host *shost = dev_to_shost(starget->dev.parent);
unsigned long flags;
enum scsi_target_state state;
int empty;
int empty = 0;
spin_lock_irqsave(shost->host_lock, flags);
state = starget->state;
empty = --starget->reap_ref == 0 &&
list_empty(&starget->devices) ? 1 : 0;
if (--starget->reap_ref == 0 && list_empty(&starget->devices)) {
empty = 1;
starget->state = STARGET_DEL;
}
spin_unlock_irqrestore(shost->host_lock, flags);
if (!empty)
return;
BUG_ON(state == STARGET_DEL);
starget->state = STARGET_DEL;
if (state == STARGET_CREATED)
scsi_target_destroy(starget);
else