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Message-ID: <202210190528.MFHwaf6h-lkp@intel.com>
Date: Wed, 19 Oct 2022 05:19:38 +0800
From: kernel test robot <lkp@...el.com>
To: Martin PoviĊĦer <povik+lin@...ebit.org>
Cc: llvm@...ts.linux.dev, kbuild-all@...ts.01.org,
linux-kernel@...r.kernel.org, Hector Martin <marcan@...can.st>
Subject: [asahilinux:bits/070-audio 20/48] sound/soc/soc-ops.c:812:5:
warning: stack frame size (1048) exceeds limit (1024) in
'snd_soc_set_enum_kctl'
tree: https://github.com/AsahiLinux/linux bits/070-audio
head: 922f98993947de2af43eb755588482dd17fba440
commit: d8c6f041fe8bea7aa7b9b95632d7ddfb3f6c06f4 [20/48] ASoC: ops: Introduce 'soc_set_enum_kctl'
config: hexagon-randconfig-r045-20221017
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
# https://github.com/AsahiLinux/linux/commit/d8c6f041fe8bea7aa7b9b95632d7ddfb3f6c06f4
git remote add asahilinux https://github.com/AsahiLinux/linux
git fetch --no-tags asahilinux bits/070-audio
git checkout d8c6f041fe8bea7aa7b9b95632d7ddfb3f6c06f4
# 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=hexagon SHELL=/bin/bash sound/soc/
If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@...el.com>
All warnings (new ones prefixed by >>):
In file included from sound/soc/soc-ops.c:25:
In file included from include/sound/soc.h:18:
In file included from include/linux/interrupt.h:11:
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:334:
include/asm-generic/io.h:547:31: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
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]
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'
#define __le16_to_cpu(x) ((__force __u16)(__le16)(x))
^
In file included from sound/soc/soc-ops.c:25:
In file included from include/sound/soc.h:18:
In file included from include/linux/interrupt.h:11:
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:334:
include/asm-generic/io.h:573:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
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'
#define __le32_to_cpu(x) ((__force __u32)(__le32)(x))
^
In file included from sound/soc/soc-ops.c:25:
In file included from include/sound/soc.h:18:
In file included from include/linux/interrupt.h:11:
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:334:
include/asm-generic/io.h:584:33: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
__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]
__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]
__raw_writel((u32 __force)cpu_to_le32(value), PCI_IOBASE + addr);
~~~~~~~~~~ ^
>> sound/soc/soc-ops.c:812:5: warning: stack frame size (1048) exceeds limit (1024) in 'snd_soc_set_enum_kctl' [-Wframe-larger-than]
int snd_soc_set_enum_kctl(struct snd_soc_card *card,
^
7 warnings generated.
vim +/snd_soc_set_enum_kctl +812 sound/soc/soc-ops.c
801
802 /**
803 * snd_soc_set_enum_kctl - Set enumerated controls matching a pattern
804 *
805 * @card: where to look for the controls
806 * @name: name pattern
807 * @value: string value to set the controls to
808 *
809 * Return number of matching and set controls on success, else error.
810 * No controls need to match.
811 */
> 812 int snd_soc_set_enum_kctl(struct snd_soc_card *card,
813 const char *name, const char *value)
814 {
815 struct snd_kcontrol *kctl;
816 int hits = 0;
817 int ret;
818
819 /* Sanity check for name */
820 if (unlikely(!name))
821 return -EINVAL;
822
823 list_for_each_entry(kctl, &card->snd_card->controls, list) {
824 if (!soc_control_matches(kctl, name))
825 continue;
826
827 ret = soc_set_enum_kctl(kctl, value);
828 if (ret < 0)
829 return ret;
830 hits++;
831 }
832
833 if (!hits)
834 return -EINVAL;
835
836 return hits;
837 }
838 EXPORT_SYMBOL_GPL(snd_soc_set_enum_kctl);
839
--
0-DAY CI Kernel Test Service
https://01.org/lkp
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