Hi Henning, [auto build test WARNING on mac80211-next/master] [also build test WARNING on v4.5-rc1 next-20160129] [if your patch is applied to the wrong git tree, please drop us a note to help improving the system] url: https://github.com/0day-ci/linux/commits/Henning-Rogge/mac80211-add-cleanup-path-for-MPP-table-entries/20160129-181045 base: https://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next.git master reproduce: # apt-get install sparse make ARCH=x86_64 allmodconfig make C=1 CF=-D__CHECK_ENDIAN__ sparse warnings: (new ones prefixed by >>) include/linux/compiler.h:228:8: sparse: attribute 'no_sanitize_address': unknown attribute >> net/mac80211/mesh_pathtbl.c:60:10: sparse: incompatible types in comparison expression (different address spaces) >> net/mac80211/mesh_pathtbl.c:60:10: sparse: incompatible types in comparison expression (different address spaces) >> net/mac80211/mesh_pathtbl.c:60:10: sparse: incompatible types in comparison expression (different address spaces) >> net/mac80211/mesh_pathtbl.c:60:10: sparse: incompatible types in comparison expression (different address spaces) >> net/mac80211/mesh_pathtbl.c:60:10: sparse: incompatible types in comparison expression (different address spaces) >> net/mac80211/mesh_pathtbl.c:60:10: sparse: incompatible types in comparison expression (different address spaces) >> net/mac80211/mesh_pathtbl.c:60:10: sparse: incompatible types in comparison expression (different address spaces) >> net/mac80211/mesh_pathtbl.c:60:10: sparse: incompatible types in comparison expression (different address spaces) >> net/mac80211/mesh_pathtbl.c:60:10: sparse: incompatible types in comparison expression (different address spaces) vim +60 net/mac80211/mesh_pathtbl.c 44 static struct mesh_table __rcu *mpp_paths; /* Store paths for MPP&MAP */ 45 46 int mesh_paths_generation; 47 int mpp_paths_generation; 48 49 /* This lock will have the grow table function as writer and add / delete nodes 50 * as readers. RCU provides sufficient protection only when reading the table 51 * (i.e. doing lookups). Adding or adding or removing nodes requires we take 52 * the read lock or we risk operating on an old table. The write lock is only 53 * needed when modifying the number of buckets a table. 54 */ 55 static DEFINE_RWLOCK(pathtbl_resize_lock); 56 57 58 static inline struct mesh_table *resize_dereference_paths(struct mesh_table *table) 59 { > 60 return rcu_dereference_protected(table, 61 lockdep_is_held(&pathtbl_resize_lock)); 62 } 63 64 static inline struct mesh_table *resize_dereference_mesh_paths(void) 65 { 66 return resize_dereference_paths(mesh_paths); 67 } 68 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
