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[SCSI] mpt2sas: Check for NULL pointer before free_pages is added.
author
Kashyap, Desai
<kashyap.desai@lsi.com>
Mon, 5 Apr 2010 08:51:07 +0000
(14:21 +0530)
committer
James Bottomley
<James.Bottomley@suse.de>
Sun, 11 Apr 2010 18:42:46 +0000
(13:42 -0500)
Added check before free_pages just to make sure ioc->scsi_lookup is not NULL.
Signed-off-by: Kashyap Desai <kashyap.desai@lsi.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
drivers/scsi/mpt2sas/mpt2sas_base.c
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diff --git
a/drivers/scsi/mpt2sas/mpt2sas_base.c
b/drivers/scsi/mpt2sas/mpt2sas_base.c
index
b04ccad
..
b830d61
100644
(file)
--- a/
drivers/scsi/mpt2sas/mpt2sas_base.c
+++ b/
drivers/scsi/mpt2sas/mpt2sas_base.c
@@
-1919,7
+1919,10
@@
_base_release_memory_pools(struct MPT2SAS_ADAPTER *ioc)
ioc->config_page, ioc->config_page_dma);
}
- free_pages((ulong)ioc->scsi_lookup, ioc->scsi_lookup_pages);
+ if (ioc->scsi_lookup) {
+ free_pages((ulong)ioc->scsi_lookup, ioc->scsi_lookup_pages);
+ ioc->scsi_lookup = NULL;
+ }
kfree(ioc->hpr_lookup);
kfree(ioc->internal_lookup);
}