Commit 02ba8d21 authored Mar 23, 2014 by Thomas Gleixner Committed by Martin Schwidefsky Apr 01, 2014

s390/tape: Use del_timer_sync()



del_timer() does not wait for a possible running callback to
complete. So the call side might free request and the associated
objects while on another cpu the timer handler runs.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>

parent bd1cb5de

drivers/s390/char/tape_std.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -78,7 +78,7 @@ tape_std_assign(struct tape_device *device)

		rc = tape_do_io_interruptible(device, request);

		del_timer(&timeout);
		del_timer_sync(&timeout);

		if (rc != 0) {
		DBF_EVENT(3, "%08x: assign failed - device might be busy\n",