Re: [PATCH net-next 1/3] net/mlx5e: use %pad format string for dma_addr_t

From: David Miller
Date: Thu Dec 08 2016 - 21:31:11 EST

From: Arnd Bergmann <arnd@xxxxxxxx>
Date: Thu, 8 Dec 2016 22:57:03 +0100

> On 32-bit ARM with 64-bit dma_addr_t I get this warning about an
> incorrect format string:
> In file included from /git/arm-soc/drivers/net/ethernet/mellanox/mlx5/core/alloc.c:42:0:
> drivers/net/ethernet/mellanox/mlx5/core/alloc.c: In function ʽmlx5_frag_buf_alloc_nodeʼ:
> drivers/net/ethernet/mellanox/mlx5/core/alloc.c:134:12: error: cast to pointer from integer of different size [-Werror=int-to-pointer-cast]
> We have the special %pad format for printing dma_addr_t, so use that
> to print the correct address and avoid the warning.
> Fixes: 1c1b522808a1 ("net/mlx5e: Implement Fragmented Work Queue (WQ)")
> Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>