Skip to contentSkip to conversation

mpt2sas: Check for NULL pointer before free_pages is added.

PATCH New Kashyap, Desai 1 participant 1 message Apr 5, 2010 SCSI

lore
Share & tools
lore

Kashyap, Desai

author
#0 lore raw

PATCH 4/5 mpt2sas: Check for NULL pointer before free_pages is added.

Added check before free_pages just to make sure ioc->scsi_lookup is not NULL.

Signed-off-by Kashyap Desai <[email protected]>

---

drivers/scsi/mpt2sas/mpt2sas_base.c +4 -1
index 42d00dd..254557e 100644
@@ -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);
 }