2024-03-01 00:37:38

by kernel test robot

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Subject: fs/bcachefs/quota.c:130:15: warning: arithmetic between different enumeration types ('enum quota_types' and 'enum quota_counters')

tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 87adedeba51a822533649b143232418b9e26d08b
commit: 1c6fdbd8f2465ddfb73a01ec620cbf3d14044e1a bcachefs: Initial commit
date: 4 months ago
config: hexagon-randconfig-001-20240229 (https://download.01.org/0day-ci/archive/20240301/[email protected]/config)
compiler: clang version 19.0.0git (https://github.com/llvm/llvm-project edd4aee4dd9b5b98b2576a6f783e4086173d902a)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240301/[email protected]/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 <[email protected]>
| Closes: https://lore.kernel.org/oe-kbuild-all/[email protected]/

All warnings (new ones prefixed by >>):

In file included from fs/bcachefs/quota.c:2:
In file included from fs/bcachefs/bcachefs.h:184:
In file included from include/linux/bio.h:10:
In file included from include/linux/blk_types.h:10:
In file included from include/linux/bvec.h:10:
In file included from include/linux/highmem.h:10:
In file included from include/linux/mm.h:2168:
include/linux/vmstat.h:522:36: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion]
522 | return node_stat_name(NR_LRU_BASE + lru) + 3; // skip "nr_"
| ~~~~~~~~~~~ ^ ~~~
In file included from fs/bcachefs/quota.c:2:
In file included from fs/bcachefs/bcachefs.h:184:
In file included from include/linux/bio.h:10:
In file included from include/linux/blk_types.h:10:
In file included from include/linux/bvec.h:10:
In file included from include/linux/highmem.h:12:
In file included from include/linux/hardirq.h:11:
In file included from ./arch/hexagon/include/generated/asm/hardirq.h:1:
In file included from include/asm-generic/hardirq.h:17:
In file included from include/linux/irq.h:20:
In file included from include/linux/io.h:13:
In file included from arch/hexagon/include/asm/io.h:337:
include/asm-generic/io.h:547:31: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
547 | val = __raw_readb(PCI_IOBASE + addr);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:560:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
560 | val = __le16_to_cpu((__le16 __force)__raw_readw(PCI_IOBASE + addr));
| ~~~~~~~~~~ ^
include/uapi/linux/byteorder/little_endian.h:37:51: note: expanded from macro '__le16_to_cpu'
37 | #define __le16_to_cpu(x) ((__force __u16)(__le16)(x))
| ^
In file included from fs/bcachefs/quota.c:2:
In file included from fs/bcachefs/bcachefs.h:184:
In file included from include/linux/bio.h:10:
In file included from include/linux/blk_types.h:10:
In file included from include/linux/bvec.h:10:
In file included from include/linux/highmem.h:12:
In file included from include/linux/hardirq.h:11:
In file included from ./arch/hexagon/include/generated/asm/hardirq.h:1:
In file included from include/asm-generic/hardirq.h:17:
In file included from include/linux/irq.h:20:
In file included from include/linux/io.h:13:
In file included from arch/hexagon/include/asm/io.h:337:
include/asm-generic/io.h:573:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
573 | val = __le32_to_cpu((__le32 __force)__raw_readl(PCI_IOBASE + addr));
| ~~~~~~~~~~ ^
include/uapi/linux/byteorder/little_endian.h:35:51: note: expanded from macro '__le32_to_cpu'
35 | #define __le32_to_cpu(x) ((__force __u32)(__le32)(x))
| ^
In file included from fs/bcachefs/quota.c:2:
In file included from fs/bcachefs/bcachefs.h:184:
In file included from include/linux/bio.h:10:
In file included from include/linux/blk_types.h:10:
In file included from include/linux/bvec.h:10:
In file included from include/linux/highmem.h:12:
In file included from include/linux/hardirq.h:11:
In file included from ./arch/hexagon/include/generated/asm/hardirq.h:1:
In file included from include/asm-generic/hardirq.h:17:
In file included from include/linux/irq.h:20:
In file included from include/linux/io.h:13:
In file included from arch/hexagon/include/asm/io.h:337:
include/asm-generic/io.h:584:33: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
584 | __raw_writeb(value, PCI_IOBASE + addr);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:594:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
594 | __raw_writew((u16 __force)cpu_to_le16(value), PCI_IOBASE + addr);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:604:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
604 | __raw_writel((u32 __force)cpu_to_le32(value), PCI_IOBASE + addr);
| ~~~~~~~~~~ ^
fs/bcachefs/quota.c:25:24: warning: variable 'dq' set but not used [-Wunused-but-set-variable]
25 | struct bkey_s_c_quota dq;
| ^
>> fs/bcachefs/quota.c:130:15: warning: arithmetic between different enumeration types ('enum quota_types' and 'enum quota_counters') [-Wenum-enum-conversion]
130 | } m[QTYP_NR * Q_COUNTERS];
| ~~~~~~~ ^ ~~~~~~~~~~
fs/bcachefs/quota.c:612:28: warning: variable 'q' set but not used [-Wunused-but-set-variable]
612 | struct bch_memquota_type *q;
| ^
fs/bcachefs/quota.c:765:8: error: call to undeclared function 'COUNT_ARGS'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
765 | ret = bch2_btree_insert_at(c, NULL, NULL, NULL, 0,
| ^
fs/bcachefs/btree_update.h:72:10: note: expanded from macro 'bch2_btree_insert_at'
72 | .nr = COUNT_ARGS(__VA_ARGS__), \
| ^
10 warnings and 1 error generated.


vim +130 fs/bcachefs/quota.c

124
125 struct quota_msgs {
126 u8 nr;
127 struct {
128 u8 qtype;
129 u8 msg;
> 130 } m[QTYP_NR * Q_COUNTERS];
131 };
132

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