Messages in this thread | | | Date | Tue, 31 May 2022 19:00:58 +0800 | From | kernel test robot <> | Subject | [congwang:sch_bpf 3/5] net/core/skb_map.c:414:21: warning: cast to pointer from integer of different size |
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tree: https://github.com/congwang/linux.git sch_bpf head: 88a2f876b0736617600bfaa2301dbfdaaa139ddd commit: 03e158bc84030847ce9f7bf91b1221079c194f3d [3/5] bpf: introduce skb map config: i386-randconfig-a003 (https://download.01.org/0day-ci/archive/20220531/202205311853.M58G3t1Z-lkp@intel.com/config) compiler: gcc-11 (Debian 11.3.0-1) 11.3.0 reproduce (this is a W=1 build): # https://github.com/congwang/linux/commit/03e158bc84030847ce9f7bf91b1221079c194f3d git remote add congwang https://github.com/congwang/linux.git git fetch --no-tags congwang sch_bpf git checkout 03e158bc84030847ce9f7bf91b1221079c194f3d # save the config file mkdir build_dir && cp config build_dir/.config make W=1 O=build_dir ARCH=i386 SHELL=/bin/bash net/core/
If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot <lkp@intel.com>
All warnings (new ones prefixed by >>):
net/core/skb_map.c: In function '____bpf_flow_map_pop': >> net/core/skb_map.c:414:21: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast] 414 | u64 rank = *(u64 *) key; | ^ net/core/skb_map.c: In function '____bpf_flow_map_push': net/core/skb_map.c:460:21: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast] 460 | u64 rank = *(u64 *) key; | ^
vim +414 net/core/skb_map.c
410 411 BPF_CALL_2(bpf_flow_map_pop, struct bpf_map *, map, u64, key) 412 { 413 struct bpf_skb_map *rb = bpf_skb_map(map); > 414 u64 rank = *(u64 *) key; 415 struct bpf_map *target; 416 unsigned long flags; 417 418 raw_spin_lock_irqsave(&rb->lock, flags); 419 target = map_rb_find(&rb->root, rank); 420 if (!target) { 421 raw_spin_unlock_irqrestore(&rb->lock, flags); 422 return (unsigned long)NULL; 423 } 424 rb_erase(&bpf_skb_map(target)->node, &rb->root); 425 raw_spin_unlock_irqrestore(&rb->lock, flags); 426 atomic_dec(&rb->count); 427 return (unsigned long)target; 428 } 429
-- 0-DAY CI Kernel Test Service https://01.org/lkp
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