linux-kernel - [rcu:rcu/next 93/97] include/linux/pm_runtime.h:108:34: error: lvalue required as left operand of assignment

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Date:   Sat, 7 Oct 2017 10:10:33 +0800
From:   kbuild test robot <fengguang.wu@...el.com>
To:     "Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>
Cc:     kbuild-all@...org, linux-kernel@...r.kernel.org
Subject: [rcu:rcu/next 93/97] include/linux/pm_runtime.h:108:34: error:
 lvalue required as left operand of assignment

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu.git rcu/next
head:   f561b44bd4bd0518dc12c5d112bf3c9fb8ec56e7
commit: bb506b193f6f9bea58316cedceec18e680f93161 [93/97] include/linux: Convert ACCESS_ONCE() to READ_ONCE()
config: i386-randconfig-x001-201740 (attached as .config)
compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901
reproduce:
        git checkout bb506b193f6f9bea58316cedceec18e680f93161
        # save the attached .config to linux build tree
        make ARCH=i386 

All errors (new ones prefixed by >>):

   In file included from drivers/net/ethernet/realtek/r8169.c:26:0:
   include/linux/pm_runtime.h: In function 'pm_runtime_mark_last_busy':
>> include/linux/pm_runtime.h:108:34: error: lvalue required as left operand of assignment
     READ_ONCE(dev->power.last_busy) = jiffies;
                                     ^

vim +108 include/linux/pm_runtime.h

   105	
   106	static inline void pm_runtime_mark_last_busy(struct device *dev)
   107	{
 > 108		READ_ONCE(dev->power.last_busy) = jiffies;
   109	}
   110	

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