Hi Puthikorn, [auto build test ERROR on drm-intel/for-linux-next] [also build test ERROR on next-20170504] [cannot apply to v4.11] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] url: https://github.com/0day-ci/linux/commits/Puthikorn-Voravootivat/Enhancement-to-intel_dp_aux_backlight-driver/20170505-003007 base: git://anongit.freedesktop.org/drm-intel for-linux-next config: x86_64-rhel (attached as .config) compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901 reproduce: # save the attached .config to linux build tree make ARCH=x86_64 All errors (new ones prefixed by >>): In file included from include/linux/module.h:18:0, from include/drm/drmP.h:59, from drivers/gpu/drm/i915/i915_drv.h:47, from drivers/gpu/drm/i915/i915_params.c:26: drivers/gpu/drm/i915/i915_params.c: In function '__check_enable_dpcd_backlight': >> include/linux/moduleparam.h:146:27: error: return from incompatible pointer type [-Werror=incompatible-pointer-types] param_check_##type(name, &(value)); \ ^ include/linux/moduleparam.h:344:68: note: in definition of macro '__param_check' static inline type __always_unused *__check_##name(void) { return(p); } ^ include/linux/moduleparam.h:146:2: note: in expansion of macro 'param_check_bool' param_check_##type(name, &(value)); \ ^~~~~~~~~~~~ drivers/gpu/drm/i915/i915_params.c:249:1: note: in expansion of macro 'module_param_named' module_param_named(enable_dpcd_backlight, i915.enable_dpcd_backlight, bool, 0600); ^~~~~~~~~~~~~~~~~~ cc1: some warnings being treated as errors -- In file included from include/linux/module.h:18:0, from include/drm/drmP.h:59, from drivers/gpu//drm/i915/i915_drv.h:47, from drivers/gpu//drm/i915/i915_params.c:26: drivers/gpu//drm/i915/i915_params.c: In function '__check_enable_dpcd_backlight': >> include/linux/moduleparam.h:146:27: error: return from incompatible pointer type [-Werror=incompatible-pointer-types] param_check_##type(name, &(value)); \ ^ include/linux/moduleparam.h:344:68: note: in definition of macro '__param_check' static inline type __always_unused *__check_##name(void) { return(p); } ^ include/linux/moduleparam.h:146:2: note: in expansion of macro 'param_check_bool' param_check_##type(name, &(value)); \ ^~~~~~~~~~~~ drivers/gpu//drm/i915/i915_params.c:249:1: note: in expansion of macro 'module_param_named' module_param_named(enable_dpcd_backlight, i915.enable_dpcd_backlight, bool, 0600); ^~~~~~~~~~~~~~~~~~ cc1: some warnings being treated as errors vim +146 include/linux/moduleparam.h 3baee201 Jani Nikula 2014-08-27 130 */ 3baee201 Jani Nikula 2014-08-27 131 #define module_param_unsafe(name, type, perm) \ 3baee201 Jani Nikula 2014-08-27 132 module_param_named_unsafe(name, name, type, perm) 3baee201 Jani Nikula 2014-08-27 133 3baee201 Jani Nikula 2014-08-27 134 /** 546970bc Rusty Russell 2010-08-11 135 * module_param_named - typesafe helper for a renamed module/cmdline parameter 546970bc Rusty Russell 2010-08-11 136 * @name: a valid C identifier which is the parameter name. 546970bc Rusty Russell 2010-08-11 137 * @value: the actual lvalue to alter. 546970bc Rusty Russell 2010-08-11 138 * @type: the type of the parameter 546970bc Rusty Russell 2010-08-11 139 * @perm: visibility in sysfs. 546970bc Rusty Russell 2010-08-11 140 * 546970bc Rusty Russell 2010-08-11 141 * Usually it's a good idea to have variable names and user-exposed names the 546970bc Rusty Russell 2010-08-11 142 * same, but that's harder if the variable must be non-static or is inside a 546970bc Rusty Russell 2010-08-11 143 * structure. This allows exposure under a different name. 546970bc Rusty Russell 2010-08-11 144 */ 546970bc Rusty Russell 2010-08-11 145 #define module_param_named(name, value, type, perm) \ 546970bc Rusty Russell 2010-08-11 @146 param_check_##type(name, &(value)); \ 546970bc Rusty Russell 2010-08-11 147 module_param_cb(name, ¶m_ops_##type, &value, perm); \ 546970bc Rusty Russell 2010-08-11 148 __MODULE_PARM_TYPE(name, #type) 546970bc Rusty Russell 2010-08-11 149 546970bc Rusty Russell 2010-08-11 150 /** 3baee201 Jani Nikula 2014-08-27 151 * module_param_named_unsafe - same as module_param_named but taints kernel 3baee201 Jani Nikula 2014-08-27 152 */ 3baee201 Jani Nikula 2014-08-27 153 #define module_param_named_unsafe(name, value, type, perm) \ 3baee201 Jani Nikula 2014-08-27 154 param_check_##type(name, &(value)); \ :::::: The code at line 146 was first introduced by commit :::::: 546970bc6afc7fb37447fbac09b82c7884662c21 param: add kerneldoc to moduleparam.h :::::: TO: Rusty Russell <rusty@xxxxxxxxxxxxxxx> :::::: CC: Rusty Russell <rusty@xxxxxxxxxxxxxxx> --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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