* [PATCH 04/05] mpt2sas: Check for NULL pointer before free_pages is added.
@ 2010-04-05 8:51 Kashyap, Desai
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From: Kashyap, Desai @ 2010-04-05 8:51 UTC (permalink / raw)
To: linux-scsi; +Cc: James.Bottomley, Eric.Moore, Sathya.Prakash
Added check before free_pages just to make sure ioc->scsi_lookup is not NULL.
Signed-off-by: Kashyap Desai <kashyap.desai@lsi.com>
---
diff --git a/drivers/scsi/mpt2sas/mpt2sas_base.c b/drivers/scsi/mpt2sas/mpt2sas_base.c
index 42d00dd..254557e 100644
--- a/drivers/scsi/mpt2sas/mpt2sas_base.c
+++ b/drivers/scsi/mpt2sas/mpt2sas_base.c
@@ -1916,7 +1916,10 @@ _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);
}
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2010-04-05 8:51 [PATCH 04/05] mpt2sas: Check for NULL pointer before free_pages is added Kashyap, Desai
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