I think this is a false positive - we're encouraged to provide the
full parameter list for functions, so the sreuct sk_buff* can't be
avoided.
Cheers,
Michael
On Wed, Apr 18, 2018 at 6:46 AM, kbuild test robot <lkp@xxxxxxxxx> wrote:
Hi Michael,
I love your patch! Perhaps something to improve:
[auto build test WARNING on v4.16]
[cannot apply to net-next/master net/master v4.17-rc1 next-20180417]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]
url: https://github.com/0day-ci/linux/commits/Michael-Schmitz/New-network-driver-for-Amiga-X-Surf-100-m68k/20180417-141150
config: arm-samsung (attached as .config)
compiler: arm-linux-gnueabi-gcc (Debian 7.2.0-11) 7.2.0
reproduce:
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# save the attached .config to linux build tree
make.cross ARCH=arm
All warnings (new ones prefixed by >>):
In file included from arch/arm/mach-s3c24xx/mach-anubis.c:42:0:
include/net/ax88796.h:35:11: warning: 'struct sk_buff' declared inside parameter list will not be visible outside of this definition or declaration
struct sk_buff *skb, int ring_offset);
^~~~~~~
vim +35 include/net/ax88796.h
20
21 struct ax_plat_data {
22 unsigned int flags;
23 unsigned char wordlength; /* 1 or 2 */
24 unsigned char dcr_val; /* default value for DCR */
25 unsigned char rcr_val; /* default value for RCR */
26 unsigned char gpoc_val; /* default value for GPOC */
27 u32 *reg_offsets; /* register offsets */
28 u8 *mac_addr; /* MAC addr (only used when
29 AXFLG_MAC_FROMPLATFORM is used */
30
31 /* uses default ax88796 buffer if set to NULL */
32 void (*block_output)(struct net_device *dev, int count,
33 const unsigned char *buf, int star_page);
34 void (*block_input)(struct net_device *dev, int count,
> 35 struct sk_buff *skb, int ring_offset);
36 };
37
---
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