iv/linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

s390/tape: Use del_timer_sync()

Browse Source 
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
Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/s390/char/tape_std.c
View File

@@ -78,7 +78,7 @@ tape_std_assign(struct tape_device *device)
rc = tape_do_io_interruptible(device, request); rc = tape_do_io_interruptible(device, request);
del_timer(&timeout); del_timer_sync(&timeout);
if (rc != 0) { if (rc != 0) {
DBF_EVENT(3, "%08x: assign failed - device might be busy\n", DBF_EVENT(3, "%08x: assign failed - device might be busy\n",