[PATCH] Char: moxa, use del_timer_sync
Use del_timer_sync in most timer deletions, we don't want to oops in the timer
function.
Signed-off-by: Jiri Slaby <jirislaby@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/drivers/char/moxa.c b/drivers/char/moxa.c
index da2a1d1..9eb8fa6 100644
--- a/drivers/char/moxa.c
+++ b/drivers/char/moxa.c
@@ -424,10 +424,10 @@
if (verbose)
printk("Unloading module moxa ...\n");
- del_timer(&moxaTimer);
+ del_timer_sync(&moxaTimer);
for (i = 0; i < MAX_PORTS; i++)
- del_timer(&moxaEmptyTimer[i]);
+ del_timer_sync(&moxaEmptyTimer[i]);
if (tty_unregister_driver(moxaDriver))
printk("Couldn't unregister MOXA Intellio family serial driver\n");
@@ -529,7 +529,7 @@
if (ch->asyncflags & ASYNC_INITIALIZED) {
setup_empty_event(tty);
tty_wait_until_sent(tty, 30 * HZ); /* 30 seconds timeout */
- del_timer(&moxaEmptyTimer[ch->port]);
+ del_timer_sync(&moxaEmptyTimer[ch->port]);
}
shut_down(ch);
MoxaPortFlushData(port, 2);
@@ -1004,7 +1004,7 @@
struct moxa_str *ch;
ch = (struct moxa_str *) data;
- del_timer(&moxaEmptyTimer[ch->port]);
+ del_timer_sync(&moxaEmptyTimer[ch->port]);
if (ch->tty && (ch->statusflags & EMPTYWAIT)) {
if (MoxaPortTxQueue(ch->port) == 0) {
ch->statusflags &= ~EMPTYWAIT;