Commit 3efb772c authored Nov 14, 2016 by Peter Zijlstra Committed by Ingo Molnar Jan 14, 2017

locking/atomic, kref: Avoid more abuse

Leak references by unbalanced get, instead of poking at kref
implementation details.

Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>

parent 6b1ffa06

drivers/usb/mon/mon_main.c

+1 −1

Original line number	Original line	Diff line number	Diff line
	@@ -409,7 +409,7 @@ static void __exit mon_exit(void)
	printk(KERN_ERR TAG		printk(KERN_ERR TAG
	": Outstanding opens (%d) on usb%d, leaking...\n",		": Outstanding opens (%d) on usb%d, leaking...\n",
	mbus->nreaders, mbus->u_bus->busnum);		mbus->nreaders, mbus->u_bus->busnum);
	atomic_set(&mbus->ref.refcount, 2); /* Force leak */		kref_get(&mbus->ref); /* Force leak */
	}		}

	mon_dissolve(mbus, mbus->u_bus);		mon_dissolve(mbus, mbus->u_bus);

Admin message