Messages in this thread | | | Date | Thu, 24 Feb 2022 06:20:38 +0800 | From | kernel test robot <> | Subject | [chenxing:msc313_mainlining 62/93] drivers/irqchip/irq-msc313-pm-wakeup.c:132:2: warning: ignoring return value of function declared with 'warn_unused_result' attribute |
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tree: git://github.com/linux-chenxing/linux.git msc313_mainlining head: 99a396728dcff78ca3eddcbd2085f11eeb8a01b8 commit: 10f8a601bff9d43fdf11deba38af93f47faa1ea2 [62/93] irqchip: MStar wakeup intc config: hexagon-allyesconfig (https://download.01.org/0day-ci/archive/20220224/202202240645.Grybzjbk-lkp@intel.com/config) compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project d271fc04d5b97b12e6b797c6067d3c96a8d7470e) reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # https://github.com/linux-chenxing/linux/commit/10f8a601bff9d43fdf11deba38af93f47faa1ea2 git remote add chenxing git://github.com/linux-chenxing/linux.git git fetch --no-tags chenxing msc313_mainlining git checkout 10f8a601bff9d43fdf11deba38af93f47faa1ea2 # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=hexagon SHELL=/bin/bash drivers/clk/imx/ drivers/irqchip/
If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@intel.com>
All warnings (new ones prefixed by >>):
>> drivers/irqchip/irq-msc313-pm-wakeup.c:132:2: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result] request_irq(irq, msc313_pm_wakeup_intc_chainedhandler, IRQF_SHARED, ^~~~~~~~~~~ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 1 warning generated.
vim +/warn_unused_result +132 drivers/irqchip/irq-msc313-pm-wakeup.c
97 98 static int __init msc313_pm_wakeup_intc_of_init(struct device_node *node, 99 struct device_node *parent) 100 { 101 int ret = 0, irq; 102 struct regmap *pmsleep; 103 struct msc313_sleep_intc *intc; 104 struct irq_domain *domain; 105 106 irq = of_irq_get(node, 0); 107 if (irq <= 0) 108 return irq; 109 110 pmsleep = syscon_regmap_lookup_by_phandle(node, "mstar,pmsleep"); 111 if (IS_ERR(pmsleep)) 112 return PTR_ERR(pmsleep); 113 114 intc = kzalloc(sizeof(*intc), GFP_KERNEL); 115 if (!intc) 116 return -ENOMEM; 117 118 intc->mask = regmap_field_alloc(pmsleep, mask_field); 119 intc->type = regmap_field_alloc(pmsleep, type_field); 120 intc->status = regmap_field_alloc(pmsleep, status_field); 121 122 /* The masks survive deep sleep so clear them. */ 123 regmap_field_write(intc->mask, ~0); 124 125 domain = irq_domain_add_linear(node, NUM_IRQ, 126 &msc313_pm_wakeup_intc_domain_ops, intc); 127 if (!domain) { 128 ret = -ENOMEM; 129 goto out_free; 130 } 131 > 132 request_irq(irq, msc313_pm_wakeup_intc_chainedhandler, IRQF_SHARED, 133 "pmsleep", domain); 134 135 return 0; 136 137 out_free: 138 kfree(intc); 139 return ret; 140 } 141
--- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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