Messages in this thread | | | Date | Thu, 18 Aug 2022 10:20:40 +0800 | From | kernel test robot <> | Subject | drivers/net/wireless/mediatek/mt76/mt7915/mmio.c:341 __mt7915_reg_addr() warn: always true condition '(addr <= 4294967295) => (0-u32max <= u32max)' |
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tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 3b06a2755758937add738545ba4a544fc5a1c56d commit: cd4c314a65d3cce6486f8303e42aca04fd9f9011 mt76: mt7915: refine register definition date: 7 months ago config: ia64-randconfig-m031-20220814 (https://download.01.org/0day-ci/archive/20220818/202208181013.Jmha89rK-lkp@intel.com/config) compiler: ia64-linux-gcc (GCC) 12.1.0
If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot <lkp@intel.com>
smatch warnings: drivers/net/wireless/mediatek/mt76/mt7915/mmio.c:341 __mt7915_reg_addr() warn: always true condition '(addr <= 4294967295) => (0-u32max <= u32max)'
vim +341 drivers/net/wireless/mediatek/mt76/mt7915/mmio.c
311 312 static u32 __mt7915_reg_addr(struct mt7915_dev *dev, u32 addr) 313 { 314 int i; 315 316 if (addr < 0x100000) 317 return addr; 318 319 if (!dev->reg.map) { 320 dev_err(dev->mt76.dev, "err: reg_map is null\n"); 321 return addr; 322 } 323 324 for (i = 0; i < dev->reg.map_size; i++) { 325 u32 ofs; 326 327 if (addr < dev->reg.map[i].phys) 328 continue; 329 330 ofs = addr - dev->reg.map[i].phys; 331 if (ofs > dev->reg.map[i].size) 332 continue; 333 334 return dev->reg.map[i].maps + ofs; 335 } 336 337 if ((addr >= MT_INFRA_BASE && addr < MT_WFSYS0_PHY_START) || 338 (addr >= MT_WFSYS0_PHY_START && addr < MT_WFSYS1_PHY_START) || 339 (addr >= MT_WFSYS1_PHY_START && addr <= MT_WFSYS1_PHY_END) || 340 (addr >= MT_CBTOP1_PHY_START && addr <= MT_CBTOP1_PHY_END) || > 341 (addr >= MT_CBTOP2_PHY_START && addr <= MT_CBTOP2_PHY_END)) 342 return mt7915_reg_map_l1(dev, addr); 343 344 return mt7915_reg_map_l2(dev, addr); 345 } 346
-- 0-DAY CI Kernel Test Service https://01.org/lkp
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