scsi: sun_esp: don't use GFP_ATOMIC for command block allocation

esp_sbus_map_command_block is called straight from the probe routine
without any locks held, so we can safely use GFP_KERNEL here.
Signed-off-by: NChristoph Hellwig <hch@lst.de>
Tested-by: NFinn Thain <fthain@telegraphics.com.au>
Signed-off-by: NMartin K. Petersen <martin.petersen@oracle.com>

drivers/scsi/sun_esp.c

@@ -104,7 +104,7 @@ static int esp_sbus_map_command_block(struct esp *esp)
 
 	esp->command_block = dma_alloc_coherent(&op->dev, 16,
 						&esp->command_block_dma,
-						GFP_ATOMIC);
+						GFP_KERNEL);
 	if (!esp->command_block)
 		return -ENOMEM;
 	return 0;