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From: Dan Carpenter <dan.carpenter@oracle.com>
To: kbuild@lists.01.org, lianzhi chang <changlianzhi@uniontech.com>,
	linux-kernel@vger.kernel.org
Cc: lkp@intel.com, kbuild-all@lists.01.org,
	dmitry.torokhov@gmail.com, gregkh@linuxfoundation.org,
	jirislaby@kernel.org, andriy.shevchenko@linux.intel.com,
	282827961@qq.com, lianzhi chang <changlianzhi@uniontech.com>
Subject: Re: [PATCH v18] tty: Fix the keyboard led light display problem
Date: Tue, 30 Nov 2021 10:53:37 +0300	[thread overview]
Message-ID: <202111291912.gGbp6mtv-lkp@intel.com> (raw)
In-Reply-To: <20211129040445.24134-1-changlianzhi@uniontech.com>

Hi lianzhi,

url:    https://github.com/0day-ci/linux/commits/lianzhi-chang/tty-Fix-the-keyboard-led-light-display-problem/20211129-120853
base:   https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty.git tty-testing
config: i386-randconfig-m021-20211128 (https://download.01.org/0day-ci/archive/20211129/202111291912.gGbp6mtv-lkp@intel.com/config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>

New smatch warnings:
drivers/tty/vt/keyboard.c:425 vt_set_leds_compute_shiftstate() warn: was && intended here instead of ||?

vim +425 drivers/tty/vt/keyboard.c

63f24a7fafd448 drivers/tty/vt/keyboard.c Jiri Slaby     2021-01-05  414  void vt_set_leds_compute_shiftstate(void)
079c9534a96da9 drivers/tty/vt/keyboard.c Alan Cox       2012-02-28  415  {
560757cc1f5e54 drivers/tty/vt/keyboard.c lianzhi chang  2021-11-29  416  	struct kbd_struct *kb;
079c9534a96da9 drivers/tty/vt/keyboard.c Alan Cox       2012-02-28  417  	unsigned long flags;
63f24a7fafd448 drivers/tty/vt/keyboard.c Jiri Slaby     2021-01-05  418  
560757cc1f5e54 drivers/tty/vt/keyboard.c lianzhi chang  2021-11-29  419  	/*
560757cc1f5e54 drivers/tty/vt/keyboard.c lianzhi chang  2021-11-29  420  	 * When switching VT, according to the value of kb->kbdmode,
560757cc1f5e54 drivers/tty/vt/keyboard.c lianzhi chang  2021-11-29  421  	 * judge whether it is necessary to force the keyboard light
560757cc1f5e54 drivers/tty/vt/keyboard.c lianzhi chang  2021-11-29  422  	 * state to be issued.
560757cc1f5e54 drivers/tty/vt/keyboard.c lianzhi chang  2021-11-29  423  	 */
560757cc1f5e54 drivers/tty/vt/keyboard.c lianzhi chang  2021-11-29  424  	kb = kbd_table + fg_console;
560757cc1f5e54 drivers/tty/vt/keyboard.c lianzhi chang  2021-11-29 @425  	if (kb->kbdmode != VC_RAW ||
560757cc1f5e54 drivers/tty/vt/keyboard.c lianzhi chang  2021-11-29  426  		 kb->kbdmode != VC_MEDIUMRAW ||
560757cc1f5e54 drivers/tty/vt/keyboard.c lianzhi chang  2021-11-29  427  		 kb->kbdmode != VC_OFF) {

&& was intended instead of ||.

560757cc1f5e54 drivers/tty/vt/keyboard.c lianzhi chang  2021-11-29  428  		vt_switch = true;
63f24a7fafd448 drivers/tty/vt/keyboard.c Jiri Slaby     2021-01-05  429  		set_leds();
560757cc1f5e54 drivers/tty/vt/keyboard.c lianzhi chang  2021-11-29  430  	}
63f24a7fafd448 drivers/tty/vt/keyboard.c Jiri Slaby     2021-01-05  431  
079c9534a96da9 drivers/tty/vt/keyboard.c Alan Cox       2012-02-28  432  	spin_lock_irqsave(&kbd_event_lock, flags);
079c9534a96da9 drivers/tty/vt/keyboard.c Alan Cox       2012-02-28  433  	do_compute_shiftstate();
079c9534a96da9 drivers/tty/vt/keyboard.c Alan Cox       2012-02-28  434  	spin_unlock_irqrestore(&kbd_event_lock, flags);
079c9534a96da9 drivers/tty/vt/keyboard.c Alan Cox       2012-02-28  435  }

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org


  parent reply	other threads:[~2021-11-30  7:54 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-11-29  4:04 [PATCH v18] tty: Fix the keyboard led light display problem lianzhi chang
2021-11-29  7:16 ` Dmitry Torokhov
2021-11-29 11:35 ` Andy Shevchenko
2021-11-30  7:53 ` Dan Carpenter [this message]
2021-11-30  8:49   ` Andy Shevchenko

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