From: kernel test robot <lkp@intel.com>
To: Hugo Villeneuve <hugo@hugovil.com>,
gregkh@linuxfoundation.org, jirislaby@kernel.org,
hvilleneuve@dimonoff.com
Cc: oe-kbuild-all@lists.linux.dev, linux-kernel@vger.kernel.org,
linux-serial@vger.kernel.org, hugo@hugovil.com
Subject: Re: [PATCH 7/7] serial: max310x: use separate regmap name for each port
Date: Wed, 6 Dec 2023 22:22:06 +0800 [thread overview]
Message-ID: <202312062240.v39k99mQ-lkp@intel.com> (raw)
In-Reply-To: <20231130191050.3165862-8-hugo@hugovil.com>
Hi Hugo,
kernel test robot noticed the following build warnings:
[auto build test WARNING on d804987153e7bedf503f8e4ba649afe52cfd7f6d]
url: https://github.com/intel-lab-lkp/linux/commits/Hugo-Villeneuve/serial-sc16is7xx-fix-snprintf-format-specifier-in-sc16is7xx_regmap_name/20231201-031413
base: d804987153e7bedf503f8e4ba649afe52cfd7f6d
patch link: https://lore.kernel.org/r/20231130191050.3165862-8-hugo%40hugovil.com
patch subject: [PATCH 7/7] serial: max310x: use separate regmap name for each port
config: arm-randconfig-r081-20231201 (https://download.01.org/0day-ci/archive/20231206/202312062240.v39k99mQ-lkp@intel.com/config)
compiler: arm-linux-gnueabi-gcc (GCC) 13.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231206/202312062240.v39k99mQ-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@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202312062240.v39k99mQ-lkp@intel.com/
All warnings (new ones prefixed by >>):
In function 'max310x_regmap_name',
inlined from 'max310x_i2c_probe' at drivers/tty/serial/max310x.c:1641:21:
>> drivers/tty/serial/max310x.c:30:41: warning: '%u' directive output may be truncated writing between 1 and 10 bytes into a region of size 2 [-Wformat-truncation=]
30 | #define MAX310X_PORT_NAME_SUFFIX "port"
| ^~~~~~
drivers/tty/serial/max310x.c:1494:36: note: in expansion of macro 'MAX310X_PORT_NAME_SUFFIX'
1494 | snprintf(buf, sizeof(buf), MAX310X_PORT_NAME_SUFFIX "%u", port_id);
| ^~~~~~~~~~~~~~~~~~~~~~~~
drivers/tty/serial/max310x.c: In function 'max310x_i2c_probe':
drivers/tty/serial/max310x.c:1494:62: note: format string is defined here
1494 | snprintf(buf, sizeof(buf), MAX310X_PORT_NAME_SUFFIX "%u", port_id);
| ^~
In function 'max310x_regmap_name',
inlined from 'max310x_i2c_probe' at drivers/tty/serial/max310x.c:1641:21:
drivers/tty/serial/max310x.c:30:41: note: directive argument in the range [1, 4294967294]
30 | #define MAX310X_PORT_NAME_SUFFIX "port"
| ^~~~~~
drivers/tty/serial/max310x.c:1494:36: note: in expansion of macro 'MAX310X_PORT_NAME_SUFFIX'
1494 | snprintf(buf, sizeof(buf), MAX310X_PORT_NAME_SUFFIX "%u", port_id);
| ^~~~~~~~~~~~~~~~~~~~~~~~
drivers/tty/serial/max310x.c:1494:9: note: 'snprintf' output between 6 and 15 bytes into a destination of size 6
1494 | snprintf(buf, sizeof(buf), MAX310X_PORT_NAME_SUFFIX "%u", port_id);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In function 'max310x_regmap_name',
inlined from 'max310x_spi_probe' at drivers/tty/serial/max310x.c:1535:17:
>> drivers/tty/serial/max310x.c:30:41: warning: '%u' directive output may be truncated writing between 1 and 10 bytes into a region of size 2 [-Wformat-truncation=]
30 | #define MAX310X_PORT_NAME_SUFFIX "port"
| ^~~~~~
drivers/tty/serial/max310x.c:1494:36: note: in expansion of macro 'MAX310X_PORT_NAME_SUFFIX'
1494 | snprintf(buf, sizeof(buf), MAX310X_PORT_NAME_SUFFIX "%u", port_id);
| ^~~~~~~~~~~~~~~~~~~~~~~~
drivers/tty/serial/max310x.c: In function 'max310x_spi_probe':
drivers/tty/serial/max310x.c:1494:62: note: format string is defined here
1494 | snprintf(buf, sizeof(buf), MAX310X_PORT_NAME_SUFFIX "%u", port_id);
| ^~
In function 'max310x_regmap_name',
inlined from 'max310x_spi_probe' at drivers/tty/serial/max310x.c:1535:17:
drivers/tty/serial/max310x.c:30:41: note: directive argument in the range [0, 4294967294]
30 | #define MAX310X_PORT_NAME_SUFFIX "port"
| ^~~~~~
drivers/tty/serial/max310x.c:1494:36: note: in expansion of macro 'MAX310X_PORT_NAME_SUFFIX'
1494 | snprintf(buf, sizeof(buf), MAX310X_PORT_NAME_SUFFIX "%u", port_id);
| ^~~~~~~~~~~~~~~~~~~~~~~~
drivers/tty/serial/max310x.c:1494:9: note: 'snprintf' output between 6 and 15 bytes into a destination of size 6
1494 | snprintf(buf, sizeof(buf), MAX310X_PORT_NAME_SUFFIX "%u", port_id);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
vim +30 drivers/tty/serial/max310x.c
28
29 #define MAX310X_NAME "max310x"
> 30 #define MAX310X_PORT_NAME_SUFFIX "port"
31 #define MAX310X_MAJOR 204
32 #define MAX310X_MINOR 209
33 #define MAX310X_UART_NRMAX 16
34 #define MAX310X_MAX_PORTS 4 /* Maximum number of UART ports per IC. */
35
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
prev parent reply other threads:[~2023-12-06 14:23 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-11-30 19:10 [PATCH 0/7] serial: sc16is7xx and max310x: regmap fixes and improvements Hugo Villeneuve
2023-11-30 19:10 ` [PATCH 1/7] serial: sc16is7xx: fix snprintf format specifier in sc16is7xx_regmap_name() Hugo Villeneuve
2023-12-06 6:29 ` kernel test robot
2023-12-07 17:52 ` Hugo Villeneuve
2023-12-07 18:24 ` Andy Shevchenko
2023-12-07 19:02 ` Hugo Villeneuve
2023-12-12 20:03 ` Hugo Villeneuve
2023-12-13 14:43 ` Andy Shevchenko
2023-12-07 19:45 ` David Laight
2023-12-07 1:44 ` Greg KH
2023-12-07 16:02 ` Hugo Villeneuve
2023-12-07 1:45 ` Greg KH
2023-12-07 16:05 ` Hugo Villeneuve
2023-11-30 19:10 ` [PATCH 2/7] serial: sc16is7xx: remove global regmap from struct sc16is7xx_port Hugo Villeneuve
2023-11-30 19:10 ` [PATCH 3/7] serial: sc16is7xx: remove unused line structure member Hugo Villeneuve
2023-11-30 19:10 ` [PATCH 4/7] serial: sc16is7xx: add macro for max number of UART ports Hugo Villeneuve
2023-11-30 19:10 ` [PATCH 5/7] serial: sc16is7xx: improve sc16is7xx_regmap_name() buffer size computation Hugo Villeneuve
2023-11-30 19:10 ` [PATCH 6/7] serial: max310x: add macro for max number of ports Hugo Villeneuve
2023-12-01 15:59 ` Jan Kundrát
2023-11-30 19:10 ` [PATCH 7/7] serial: max310x: use separate regmap name for each port Hugo Villeneuve
2023-12-01 16:00 ` Jan Kundrát
2023-12-06 14:22 ` kernel test robot [this message]
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