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s390/tape: Use del_timer_sync()

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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>
This commit is contained in:
Thomas Gleixner 2014-03-23 15:09:24 +00:00 committed by Martin Schwidefsky
parent bd1cb5de14
commit 02ba8d211d
1 changed files with 1 additions and 1 deletions
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2
drivers/s390/char/tape_std.c
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@ -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",