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Message-ID: <202210071434.OoDkq6cx-lkp@intel.com>
Date: Fri, 7 Oct 2022 14:24:12 +0800
From: kernel test robot <lkp@...el.com>
To: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc: llvm@...ts.linux.dev, kbuild-all@...ts.01.org,
devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org
Subject: [driver-core:kobject-const 17/18] sound/aoa/soundbus/core.c:73:5:
error: assigning to 'struct platform_device *' from 'const struct
platform_device *' discards qualifiers
tree: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core.git kobject-const
head: 1b43a2983970f31597836e5571d42d9de443b44d
commit: c49e138ce3dacbad5a16b63758003bdc71762ecc [17/18] driver core: make struct bus_type.uevent() take a const *
config: powerpc-g5_defconfig
compiler: clang version 16.0.0 (https://github.com/llvm/llvm-project 791a7ae1ba3efd6bca96338e10ffde557ba83920)
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
# install powerpc cross compiling tool for clang build
# apt-get install binutils-powerpc-linux-gnu
# https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core.git/commit/?id=c49e138ce3dacbad5a16b63758003bdc71762ecc
git remote add driver-core https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core.git
git fetch --no-tags driver-core kobject-const
git checkout c49e138ce3dacbad5a16b63758003bdc71762ecc
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=powerpc SHELL=/bin/bash sound/aoa/soundbus/
If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@...el.com>
All errors (new ones prefixed by >>):
>> sound/aoa/soundbus/core.c:73:5: error: assigning to 'struct platform_device *' from 'const struct platform_device *' discards qualifiers [-Werror,-Wincompatible-pointer-types-discards-qualifiers]
of = &soundbus_dev->ofdev;
^ ~~~~~~~~~~~~~~~~~~~~
1 error generated.
vim +73 sound/aoa/soundbus/core.c
f3d9478b2ce468 Johannes Berg 2006-06-21 56
f3d9478b2ce468 Johannes Berg 2006-06-21 57
c49e138ce3dacb Greg Kroah-Hartman 2022-09-29 58 static int soundbus_uevent(const struct device *dev, struct kobj_uevent_env *env)
f3d9478b2ce468 Johannes Berg 2006-06-21 59 {
c49e138ce3dacb Greg Kroah-Hartman 2022-09-29 60 const struct soundbus_dev * soundbus_dev;
2dc11581376829 Grant Likely 2010-08-06 61 struct platform_device * of;
a7edd0e676d511 Stephen Rothwell 2007-04-03 62 const char *compat;
7eff2e7a8b65c2 Kay Sievers 2007-08-14 63 int retval = 0;
bf62456eb91f3d Eric Rannaud 2007-03-30 64 int cplen, seen = 0;
f3d9478b2ce468 Johannes Berg 2006-06-21 65
f3d9478b2ce468 Johannes Berg 2006-06-21 66 if (!dev)
f3d9478b2ce468 Johannes Berg 2006-06-21 67 return -ENODEV;
f3d9478b2ce468 Johannes Berg 2006-06-21 68
f3d9478b2ce468 Johannes Berg 2006-06-21 69 soundbus_dev = to_soundbus_device(dev);
f3d9478b2ce468 Johannes Berg 2006-06-21 70 if (!soundbus_dev)
f3d9478b2ce468 Johannes Berg 2006-06-21 71 return -ENODEV;
f3d9478b2ce468 Johannes Berg 2006-06-21 72
f3d9478b2ce468 Johannes Berg 2006-06-21 @73 of = &soundbus_dev->ofdev;
f3d9478b2ce468 Johannes Berg 2006-06-21 74
f3d9478b2ce468 Johannes Berg 2006-06-21 75 /* stuff we want to pass to /sbin/hotplug */
192a7122954001 Rob Herring 2018-12-05 76 retval = add_uevent_var(env, "OF_NAME=%pOFn", of->dev.of_node);
bf62456eb91f3d Eric Rannaud 2007-03-30 77 if (retval)
bf62456eb91f3d Eric Rannaud 2007-03-30 78 return retval;
bf62456eb91f3d Eric Rannaud 2007-03-30 79
c12faa2bc56cb1 Rob Herring 2018-11-16 80 retval = add_uevent_var(env, "OF_TYPE=%s", of_node_get_device_type(of->dev.of_node));
bf62456eb91f3d Eric Rannaud 2007-03-30 81 if (retval)
bf62456eb91f3d Eric Rannaud 2007-03-30 82 return retval;
f3d9478b2ce468 Johannes Berg 2006-06-21 83
f3d9478b2ce468 Johannes Berg 2006-06-21 84 /* Since the compatible field can contain pretty much anything
f3d9478b2ce468 Johannes Berg 2006-06-21 85 * it's not really legal to split it out with commas. We split it
f3d9478b2ce468 Johannes Berg 2006-06-21 86 * up using a number of environment variables instead. */
f3d9478b2ce468 Johannes Berg 2006-06-21 87
61c7a080a5a061 Grant Likely 2010-04-13 88 compat = of_get_property(of->dev.of_node, "compatible", &cplen);
f3d9478b2ce468 Johannes Berg 2006-06-21 89 while (compat && cplen > 0) {
7eff2e7a8b65c2 Kay Sievers 2007-08-14 90 int tmp = env->buflen;
7eff2e7a8b65c2 Kay Sievers 2007-08-14 91 retval = add_uevent_var(env, "OF_COMPATIBLE_%d=%s", seen, compat);
bf62456eb91f3d Eric Rannaud 2007-03-30 92 if (retval)
bf62456eb91f3d Eric Rannaud 2007-03-30 93 return retval;
7eff2e7a8b65c2 Kay Sievers 2007-08-14 94 compat += env->buflen - tmp;
7eff2e7a8b65c2 Kay Sievers 2007-08-14 95 cplen -= env->buflen - tmp;
bf62456eb91f3d Eric Rannaud 2007-03-30 96 seen += 1;
f3d9478b2ce468 Johannes Berg 2006-06-21 97 }
f3d9478b2ce468 Johannes Berg 2006-06-21 98
7eff2e7a8b65c2 Kay Sievers 2007-08-14 99 retval = add_uevent_var(env, "OF_COMPATIBLE_N=%d", seen);
bf62456eb91f3d Eric Rannaud 2007-03-30 100 if (retval)
bf62456eb91f3d Eric Rannaud 2007-03-30 101 return retval;
7eff2e7a8b65c2 Kay Sievers 2007-08-14 102 retval = add_uevent_var(env, "MODALIAS=%s", soundbus_dev->modalias);
f3d9478b2ce468 Johannes Berg 2006-06-21 103
bf62456eb91f3d Eric Rannaud 2007-03-30 104 return retval;
f3d9478b2ce468 Johannes Berg 2006-06-21 105 }
f3d9478b2ce468 Johannes Berg 2006-06-21 106
:::::: The code at line 73 was first introduced by commit
:::::: f3d9478b2ce468c3115b02ecae7e975990697f15 [ALSA] snd-aoa: add snd-aoa
:::::: TO: Johannes Berg <johannes@...solutions.net>
:::::: CC: Jaroslav Kysela <perex@...e.cz>
--
0-DAY CI Kernel Test Service
https://01.org/lkp
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