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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2014-11-05 19:43:23 -0800
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2014-11-05 19:43:23 -0800
commit28e1445c650035668514df6f446c81f89990ac52 (patch)
treec2e15675eb23c5ac3ca6841b1851abb95929f351 /drivers/tty/tty_io.c
parentc015b4ad2ae57e5f07a5d4f746835356056c8e03 (diff)
parent494c1eac7e73f719af9d474a96ec8494c33efd6a (diff)
Merge branch 'tty-linus' into 'tty-testing'
We need the fixes in drivers/tty/tty_io.c that were done in there for future patches in this branch. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/tty/tty_io.c')
-rw-r--r--drivers/tty/tty_io.c15
1 files changed, 12 insertions, 3 deletions
diff --git a/drivers/tty/tty_io.c b/drivers/tty/tty_io.c
index aa83cd1bf071..4bd48f79b94b 100644
--- a/drivers/tty/tty_io.c
+++ b/drivers/tty/tty_io.c
@@ -1763,6 +1763,8 @@ int tty_release(struct inode *inode, struct file *filp)
int do_sleep, final;
int idx;
char buf[64];
+ long timeout = 0;
+ int once = 1;
if (tty_paranoia_check(tty, inode, __func__))
return 0;
@@ -1832,9 +1834,16 @@ int tty_release(struct inode *inode, struct file *filp)
if (!do_sleep)
break;
- printk(KERN_WARNING "%s: %s: read/write wait queue active!\n",
- __func__, tty_name(tty, buf));
- schedule();
+ if (once) {
+ once = 0;
+ printk(KERN_WARNING "%s: %s: read/write wait queue active!\n",
+ __func__, tty_name(tty, buf));
+ }
+ schedule_timeout_killable(timeout);
+ if (timeout < 120 * HZ)
+ timeout = 2 * timeout + 1;
+ else
+ timeout = MAX_SCHEDULE_TIMEOUT;
}
if (o_tty) {