s390/tape: Use del_timer_sync()
authorThomas Gleixner <tglx@linutronix.de>
Sun, 23 Mar 2014 15:09:24 +0000 (15:09 +0000)
committerMartin Schwidefsky <schwidefsky@de.ibm.com>
Tue, 1 Apr 2014 07:23:36 +0000 (09:23 +0200)
commit02ba8d211d16f3b385147dd50d7198744e9af59c
treedcd0bdb4418a7164d2426bae79fdd67f83a817b5
parentbd1cb5de140d844f63389bf21b336c194a8c83a1
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>
drivers/s390/char/tape_std.c