sfc: check for allocation failure

It upsets static analyzers when we don't check for allocation failure.

Signed-off-by: Dan Carpenter <[e-mail]>
Signed-off-by: David S. Miller <[e-mail]>

drivers/net/ethernet/sfc/falcon.c

···
 
 	/* Allocate space for maximum number of partitions */
 	parts = kcalloc(2, sizeof(*parts), GFP_KERNEL);
+	if (!parts)
+		return -ENOMEM;
 	n_parts = 0;
 
 	spi = &nic_data->spi_flash;