Hi Paolo, Thank you for the patch! Perhaps something to improve:
[auto build test WARNING on net-next/master] url: https://github.com/0day-ci/linux/commits/Paolo-Abeni/net-core-rework-basic-flow-dissection-helper/20180505-090417 reproduce: # apt-get install sparse make ARCH=x86_64 allmodconfig make C=1 CF=-D__CHECK_ENDIAN__ sparse warnings: (new ones prefixed by >>) include/net/tipc.h:55:30: sparse: incorrect type in return expression (different base types) @@ expected unsigned int @@ got restriunsigned int @@ include/net/tipc.h:55:30: expected unsigned int include/net/tipc.h:55:30: got restricted __be32 <noident> net/core/flow_dissector.c:840:48: sparse: incorrect type in assignment (different base types) @@ expected restricted __be32 [usertype] key @@ got [usertype] key @@ net/core/flow_dissector.c:840:48: expected restricted __be32 [usertype] key net/core/flow_dissector.c:840:48: got unsigned int net/core/flow_dissector.c:1035:30: sparse: expression using sizeof(void) net/core/flow_dissector.c:1035:30: sparse: expression using sizeof(void) net/core/flow_dissector.c:1276:25: sparse: expression using sizeof(void) >> net/core/flow_dissector.c:1319:59: sparse: Using plain integer as NULL >> pointer vim +1319 net/core/flow_dissector.c 1305 1306 /** 1307 * skb_get_poff - get the offset to the payload 1308 * @skb: sk_buff to get the payload offset from 1309 * 1310 * The function will get the offset to the payload as far as it could 1311 * be dissected. The main user is currently BPF, so that we can dynamically 1312 * truncate packets without needing to push actual payload to the user 1313 * space and can analyze headers only, instead. 1314 */ 1315 u32 skb_get_poff(const struct sk_buff *skb) 1316 { 1317 struct flow_keys_basic keys; 1318 > 1319 if (!skb_flow_dissect_flow_keys_basic(skb, &keys, 0, 0, 0, 0, > 0)) 1320 return 0; 1321 1322 return __skb_get_poff(skb, skb->data, &keys, skb_headlen(skb)); 1323 } 1324 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation