scsi: storvsc: Remove memset before memory freeing in storvsc_suspend()

Remove memset with 0 for stor_device->stor_chns in storvsc_suspend() before
the call to kfree() as the memory contains no sensitive information.

Link: https://lore.kernel.org/r/20200605075934.8403-1-efremov@linux.com
Fixes: 56fb1058 ("scsi: storvsc: Add the support of hibernation")
Suggested-by: NDexuan Cui <decui@microsoft.com>
Reviewed-by: NDexuan Cui <decui@microsoft.com>
Signed-off-by: NDenis Efremov <efremov@linux.com>
Signed-off-by: NMartin K. Petersen <martin.petersen@oracle.com>

drivers/scsi/storvsc_drv.c

@@ -1955,9 +1955,6 @@ static int storvsc_suspend(struct hv_device *hv_dev)
 
 	vmbus_close(hv_dev->channel);
 
-	memset(stor_device->stor_chns, 0,
-	       num_possible_cpus() * sizeof(void *));
-
 	kfree(stor_device->stor_chns);
 	stor_device->stor_chns = NULL;