[gustavoars:testing/wfamnae-next20250723 14/14] include/net/ip.h:53:1: sparse: sparse: directive in macro's argument list

[kernel test robot <lkp@intel.com>]

:::::: 
:::::: Manual check reason: "low confidence static check warning: include/net/ip.h:53:1: sparse: sparse: directive in macro's argument list"
:::::: 

BCC: lkp@intel.com
CC: oe-kbuild-all@lists.linux.dev
CC: "Gustavo A. R. Silva" <gustavo@embeddedor.com>
CC: LKML <linux-kernel@vger.kernel.org>
TO: "Gustavo A. R. Silva" <gustavoars@kernel.org>

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/gustavoars/linux.git testing/wfamnae-next20250723
head:   49c6b94fa76fb9af574157e2c2b25f7894a744f4
commit: 49c6b94fa76fb9af574157e2c2b25f7894a744f4 [14/14] treewide-TRAILING_OVERLAP: Avoid -Wflex-array-member-not-at-end warnings
:::::: branch date: 30 hours ago
:::::: commit date: 30 hours ago
config: m68k-randconfig-r122-20250724 (https://download.01.org/0day-ci/archive/20250724/202507241726.sSdc7F3m-lkp@intel.com/config)
compiler: m68k-linux-gcc (GCC) 14.3.0
reproduce: (https://download.01.org/0day-ci/archive/20250724/202507241726.sSdc7F3m-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/r/202507241726.sSdc7F3m-lkp@intel.com/

sparse warnings: (new ones prefixed by >>)
   drivers/net/ethernet/freescale/fec_main.c: note: in included file:
>> include/net/ip.h:53:1: sparse: sparse: directive in macro's argument list
   include/net/ip.h:54:1: sparse: sparse: directive in macro's argument list
   include/net/ip.h:55:1: sparse: sparse: directive in macro's argument list
   include/net/ip.h:56:1: sparse: sparse: directive in macro's argument list
   include/net/ip.h:57:1: sparse: sparse: directive in macro's argument list
   include/net/ip.h:58:1: sparse: sparse: directive in macro's argument list
   include/net/ip.h:59:1: sparse: sparse: directive in macro's argument list
   include/net/ip.h:60:1: sparse: sparse: directive in macro's argument list
   include/net/ip.h:61:1: sparse: sparse: directive in macro's argument list
   include/net/ip.h:62:1: sparse: sparse: directive in macro's argument list
   include/net/ip.h:63:1: sparse: sparse: directive in macro's argument list

vim +53 include/net/ip.h

^1da177e4c3f41 Linus Torvalds       2005-04-16  46  
fd2c3ef761fbc5 Eric Dumazet         2009-11-03  47  struct inet_skb_parm {
0b922b7a829c06 David Ahern          2016-05-10  48  	int			iif;
49c6b94fa76fb9 Gustavo A. R. Silva  2025-07-01  49  	TRAILING_OVERLAP(struct ip_options, opt, __data,
49c6b94fa76fb9 Gustavo A. R. Silva  2025-07-01  50  			 		/* Compiled IP options		*/
a04a480d4392ea David Ahern          2016-10-16  51  			 u16			flags;
^1da177e4c3f41 Linus Torvalds       2005-04-16  52  
df4d92549f23e1 Hannes Frederic Sowa 2015-01-23 @53  #define IPSKB_FORWARDED		BIT(0)
df4d92549f23e1 Hannes Frederic Sowa 2015-01-23  54  #define IPSKB_XFRM_TUNNEL_SIZE	BIT(1)
df4d92549f23e1 Hannes Frederic Sowa 2015-01-23  55  #define IPSKB_XFRM_TRANSFORMED	BIT(2)
df4d92549f23e1 Hannes Frederic Sowa 2015-01-23  56  #define IPSKB_FRAG_COMPLETE	BIT(3)
df4d92549f23e1 Hannes Frederic Sowa 2015-01-23  57  #define IPSKB_REROUTED		BIT(4)
df4d92549f23e1 Hannes Frederic Sowa 2015-01-23  58  #define IPSKB_DOREDIRECT	BIT(5)
d6b915e29f4ade Florian Westphal     2015-05-22  59  #define IPSKB_FRAG_PMTU		BIT(6)
9ee6c5dc816aa8 Lance Richardson     2016-11-02  60  #define IPSKB_L3SLAVE		BIT(7)
e6175a2ed1f18b Eyal Birger          2022-05-13  61  #define IPSKB_NOPOLICY		BIT(8)
6ac66cb03ae306 Sriram Yagnaraman    2023-08-31  62  #define IPSKB_MULTIPATH		BIT(9)
35bec72a24ace5 Petr Machata         2025-06-17  63  #define IPSKB_MCROUTE		BIT(10)
5f2d04f1f9b526 Patrick McHardy      2012-08-26  64  
5f2d04f1f9b526 Patrick McHardy      2012-08-26  65  	u16			frag_max_size;
49c6b94fa76fb9 Gustavo A. R. Silva  2025-07-01  66  	);};
^1da177e4c3f41 Linus Torvalds       2005-04-16  67  

:::::: The code at line 53 was first introduced by commit
:::::: df4d92549f23e1c037e83323aff58a21b3de7fe0 ipv4: try to cache dst_entries which would cause a redirect

:::::: TO: Hannes Frederic Sowa <hannes@stressinduktion.org>
:::::: CC: David S. Miller <davem@davemloft.net>

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