From: kbuild test robot <lkp@intel.com>
To: Rishi Gupta <gupt21@gmail.com>
Cc: kbuild-all@lists.01.org, gregkh@linuxfoundation.org,
robh+dt@kernel.org, jslaby@suse.com,
linux-serial@vger.kernel.org, linux-kernel@vger.kernel.org,
Rishi Gupta <gupt21@gmail.com>
Subject: Re: [PATCH v1 2/3] tty/serial: ttvys: add null modem driver emulating serial port
Date: Tue, 7 Jan 2020 05:20:24 +0800 [thread overview]
Message-ID: <202001070523.lfpip38e%lkp@intel.com> (raw)
In-Reply-To: <9fcb02fafd5fc9b31f3fe358b8e62b8a40ae132a.1578235515.git.gupt21@gmail.com>
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Hi Rishi,
I love your patch! Yet something to improve:
[auto build test ERROR on tty/tty-testing]
[also build test ERROR on robh/for-next usb/usb-testing linus/master v5.5-rc5 next-20200106]
[if your patch is applied to the wrong git tree, please drop us a note to help
improve the system. BTW, we also suggest to use '--base' option to specify the
base tree in git format-patch, please see https://stackoverflow.com/a/37406982]
url: https://github.com/0day-ci/linux/commits/Rishi-Gupta/Add-virtual-serial-null-modem-emulation-driver/20200106-155424
base: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty.git tty-testing
config: ia64-allmodconfig (attached as .config)
compiler: ia64-linux-gcc (GCC) 7.5.0
reproduce:
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# save the attached .config to linux build tree
GCC_VERSION=7.5.0 make.cross ARCH=ia64
If you fix the issue, kindly add following tag
Reported-by: kbuild test robot <lkp@intel.com>
All errors (new ones prefixed by >>):
drivers//tty/ttyvs.c: In function 'vs_get_serinfo':
>> drivers//tty/ttyvs.c:1012:8: error: implicit declaration of function 'copy_to_user'; did you mean 'cpu_to_mem'? [-Werror=implicit-function-declaration]
ret = copy_to_user((void __user *)arg, &info,
^~~~~~~~~~~~
cpu_to_mem
drivers//tty/ttyvs.c: In function 'vs_card_write':
>> drivers//tty/ttyvs.c:1996:7: error: implicit declaration of function 'copy_from_user'; did you mean 'copy_creds'? [-Werror=implicit-function-declaration]
if (copy_from_user(data, buf, length) != 0)
^~~~~~~~~~~~~~
copy_creds
cc1: some warnings being treated as errors
vim +1012 drivers//tty/ttyvs.c
985
986 /* Provides information as a repsonse to TIOCGSERIAL IOCTL */
987 static int vs_get_serinfo(struct tty_struct *tty, unsigned long arg)
988 {
989 int ret;
990 struct serial_struct info;
991 struct vs_dev *local_vsdev = db[tty->index].vsdev;
992 struct serial_struct serial = local_vsdev->serial;
993
994 if (!arg)
995 return -EFAULT;
996
997 memset(&info, 0, sizeof(info));
998
999 info.type = PORT_UNKNOWN;
1000 info.line = serial.line;
1001 info.port = tty->index;
1002 info.irq = 0;
1003 info.flags = tty->port->flags;
1004 info.xmit_fifo_size = 0;
1005 info.baud_base = 0;
1006 info.close_delay = tty->port->close_delay;
1007 info.closing_wait = tty->port->closing_wait;
1008 info.custom_divisor = 0;
1009 info.hub6 = 0;
1010 info.io_type = SERIAL_IO_MEM;
1011
> 1012 ret = copy_to_user((void __user *)arg, &info,
1013 sizeof(struct serial_struct));
1014
1015 return ret ? -EFAULT : 0;
1016 }
1017
---
0-DAY kernel test infrastructure Open Source Technology Center
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org Intel Corporation
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next prev parent reply other threads:[~2020-01-06 21:20 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-01-06 7:21 [PATCH v1 0/3] Add virtual serial null modem emulation driver Rishi Gupta
2020-01-06 7:21 ` [PATCH v1 1/3] dt-bindings: ttyvs: document serial null modem driver dt bindings Rishi Gupta
2020-01-06 7:21 ` [PATCH v1 2/3] tty/serial: ttvys: add null modem driver emulating serial port Rishi Gupta
2020-01-06 19:35 ` Greg KH
2020-01-09 9:29 ` rishi gupta
2020-01-10 7:20 ` Greg KH
2020-01-10 7:38 ` rishi gupta
2020-01-10 7:42 ` Greg KH
2020-02-10 15:14 ` rishi gupta
2020-02-12 20:02 ` Greg KH
2020-01-06 21:20 ` kbuild test robot [this message]
2020-01-06 7:21 ` [PATCH v1 3/3] tty: documentation: abi: add ttyvs null modem driver sysfs nodes Rishi Gupta
2020-01-06 19:29 ` Greg KH
2020-01-09 9:22 ` rishi gupta
2020-01-06 19:28 ` [PATCH v1 0/3] Add virtual serial null modem emulation driver Greg KH
2020-01-09 9:22 ` rishi gupta
2020-01-06 20:23 ` H. Peter Anvin
2020-01-06 22:06 ` Grant Edwards
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