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hpsa: fix try_soft_reset error handling 

If registering the special interrupt handlers in hpsa_init_one
before a soft reset fails, the error exit needs to deallocate
everything that was allocated before.

Reviewed-by: Scott Teel <scott.teel@pmcs.com>
Reviewed-by: Kevin Barnett <kevin.barnett@pmcs.com>
Reviewed-by: Tomas Henzl <thenzl@redhat.com>
Reviewed-by: Hannes Reinecke <hare@Suse.de>
Signed-off-by: Robert Elliott <elliott@hp.com>
Signed-off-by: Don Brace <don.brace@pmcs.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: James Bottomley <JBottomley@Odin.com>
This commit is contained in:
Robert Elliott 2015-04-23 09:34:48 -05:00 committed by James Bottomley
parent 9ecd953aa8
commit b2ef480c4b
1 changed files with 11 additions and 5 deletions
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16
drivers/scsi/hpsa.c
View File

@ -7770,9 +7770,15 @@ reinit_after_soft_reset:
dev_warn(&h->pdev->dev,
"Failed to request_irq after soft reset.\n");
/*
* clean4 starts with free_irqs, but that was just
* done. Then, request_irqs_failed, so there is
* nothing to free. So, goto the next label.
* cannot goto clean7 or free_irqs will be called
* again. Instead, do its work
*/
hpsa_free_performant_mode(h); /* clean7 */
hpsa_free_sg_chain_blocks(h); /* clean6 */
hpsa_free_cmd_pool(h); /* clean5 */
/*
* skip hpsa_free_irqs(h) clean4 since that
* was just called before request_irqs failed
*/
goto clean3;
}
@ -7780,7 +7786,7 @@ reinit_after_soft_reset:
rc = hpsa_kdump_soft_reset(h);
if (rc)
/* Neither hard nor soft reset worked, we're hosed. */
goto clean4;
goto clean7;
dev_info(&h->pdev->dev, "Board READY.\n");
dev_info(&h->pdev->dev,
@ -7801,7 +7807,7 @@ reinit_after_soft_reset:
hpsa_undo_allocations_after_kdump_soft_reset(h);
try_soft_reset = 0;
if (rc)
/* don't go to clean4, we already unallocated */
/* don't goto clean, we already unallocated */
return -ENODEV;
goto reinit_after_soft_reset;