| lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
|
Open Source and information security mailing list archives
| ||
|
Message-ID: <202411122236.79vmA2JS-lkp@intel.com>
Date: Tue, 12 Nov 2024 23:22:32 +0800
From: kernel test robot <lkp@...el.com>
To: mjchen <mjchen0829@...il.com>, dmitry.torokhov@...il.com,
robh@...nel.org, krzk+dt@...nel.org, conor+dt@...nel.org,
sudeep.holla@....com, peng.fan@....com, arnd@...db.de,
linux-arm-kernel@...ts.infradead.org, linux-input@...r.kernel.org,
devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
mjchen@...oton.com
Cc: llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev
Subject: Re: [PATCH v2 2/2] input: keypad: add new keypad driver for MA35D1
Hi mjchen,
kernel test robot noticed the following build warnings:
[auto build test WARNING on dtor-input/next]
[also build test WARNING on dtor-input/for-linus robh/for-next soc/for-next linus/master v6.12-rc7 next-20241112]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]
url: https://github.com/intel-lab-lkp/linux/commits/mjchen/dt-bindings-input-Add-Nuvoton-MA35D1-keypad/20241112-133327
base: https://git.kernel.org/pub/scm/linux/kernel/git/dtor/input.git next
patch link: https://lore.kernel.org/r/20241112053059.3361-3-mjchen0829%40gmail.com
patch subject: [PATCH v2 2/2] input: keypad: add new keypad driver for MA35D1
config: hexagon-allyesconfig (https://download.01.org/0day-ci/archive/20241112/202411122236.79vmA2JS-lkp@intel.com/config)
compiler: clang version 20.0.0git (https://github.com/llvm/llvm-project 592c0fe55f6d9a811028b5f3507be91458ab2713)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241112/202411122236.79vmA2JS-lkp@intel.com/reproduce)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202411122236.79vmA2JS-lkp@intel.com/
All warnings (new ones prefixed by >>):
In file included from drivers/input/keyboard/ma35d1_keypad.c:7:
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:14:
In file included from arch/hexagon/include/asm/io.h:328:
include/asm-generic/io.h:548:31: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
548 | val = __raw_readb(PCI_IOBASE + addr);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:561:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
561 | 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'
37 | #define __le16_to_cpu(x) ((__force __u16)(__le16)(x))
| ^
In file included from drivers/input/keyboard/ma35d1_keypad.c:7:
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:14:
In file included from arch/hexagon/include/asm/io.h:328:
include/asm-generic/io.h:574:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
574 | 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'
35 | #define __le32_to_cpu(x) ((__force __u32)(__le32)(x))
| ^
In file included from drivers/input/keyboard/ma35d1_keypad.c:7:
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:14:
In file included from arch/hexagon/include/asm/io.h:328:
include/asm-generic/io.h:585:33: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
585 | __raw_writeb(value, PCI_IOBASE + addr);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:595:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
595 | __raw_writew((u16 __force)cpu_to_le16(value), PCI_IOBASE + addr);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:605:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
605 | __raw_writel((u32 __force)cpu_to_le32(value), PCI_IOBASE + addr);
| ~~~~~~~~~~ ^
>> drivers/input/keyboard/ma35d1_keypad.c:83:46: warning: shift count >= width of type [-Wshift-count-overflow]
83 | pressed_keys = key_event[0] | key_event[1] << 32;
| ^ ~~
drivers/input/keyboard/ma35d1_keypad.c:84:46: warning: shift count >= width of type [-Wshift-count-overflow]
84 | released_keys = key_event[2] | key_event[3] << 32;
| ^ ~~
drivers/input/keyboard/ma35d1_keypad.c:130:9: error: call to undeclared function 'FIELD_PREP'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
130 | val |= FIELD_PREP(KCOL, (keypad->kpi_col - 1)) | FIELD_PREP(KROW, (keypad->kpi_row - 1));
| ^
8 warnings and 1 error generated.
vim +83 drivers/input/keyboard/ma35d1_keypad.c
59
60 static void ma35d1_keypad_scan_matrix(struct ma35d1_keypad *keypad, unsigned int status)
61 {
62 struct input_dev *input_dev = keypad->input_dev;
63 unsigned int code;
64 unsigned int key;
65 unsigned long pressed_keys = 0, released_keys = 0;
66 unsigned int row_shift = get_count_order(keypad->kpi_col);
67 unsigned short *keymap = input_dev->keycode;
68 unsigned long key_event[4];
69 unsigned int index;
70
71 /* Read key event status */
72 key_event[0] = readl(keypad->mmio_base + KPI_KPE0);
73 key_event[1] = readl(keypad->mmio_base + KPI_KPE1);
74 key_event[2] = readl(keypad->mmio_base + KPI_KRE0);
75 key_event[3] = readl(keypad->mmio_base + KPI_KRE1);
76
77 /* Clear key event status */
78 writel(key_event[0], (keypad->mmio_base + KPI_KPE0));
79 writel(key_event[1], (keypad->mmio_base + KPI_KPE1));
80 writel(key_event[2], (keypad->mmio_base + KPI_KRE0));
81 writel(key_event[3], (keypad->mmio_base + KPI_KRE1));
82
> 83 pressed_keys = key_event[0] | key_event[1] << 32;
84 released_keys = key_event[2] | key_event[3] << 32;
85
86 /* Process pressed keys */
87 for_each_set_bit(index, &pressed_keys, KEY_EVENT_BITS) {
88 code = MATRIX_SCAN_CODE(index / 8, (index % 8), row_shift);
89 key = keymap[code];
90
91 input_event(input_dev, EV_MSC, MSC_SCAN, code);
92 input_report_key(input_dev, key, 1);
93 }
94
95 /* Process released keys */
96 for_each_set_bit(index, &released_keys, KEY_EVENT_BITS) {
97 code = MATRIX_SCAN_CODE(index / 8, (index % 8), row_shift);
98 key = keymap[code];
99
100 input_event(input_dev, EV_MSC, MSC_SCAN, code);
101 input_report_key(input_dev, key, 0);
102 }
103
104 input_sync(input_dev);
105 }
106
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
Powered by blists - more mailing lists