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authorGrant Likely <grant.likely@linaro.org>2014-11-24 14:50:07 +0000
committerGrant Likely <grant.likely@linaro.org>2014-11-24 14:50:07 +0000
commit66e6a5a1fcd2f3e05f4d499b539a1f77ceb52d1d (patch)
treed72f980f64b88ea4e976215a503fcb038e02f981 /drivers/tty/tty_io.c
parent2d0747c4b68be8eb8ccfa2c538f2f5dd2ea89094 (diff)
parent5d01410fe4d92081f349b013a2e7a95429e4f2c9 (diff)
downloadlinux-next-66e6a5a1fcd2f3e05f4d499b539a1f77ceb52d1d.tar.gz
Merge tag 'v3.18-rc6' into devicetree/next
v3.18-rc6 contains an important DT bug fix, c1a2086e2d, "of/selftest: Fix off-by-one error in removal path" which affects testing of the overlay patch series. Merge it into the devicetree/next staging branch so that the overlay patches are applied on top of a known working tree. Linux 3.18-rc6 Conflicts: drivers/of/address.c
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 16a2c0237dd6..0508a1d8e4cd 100644
--- a/drivers/tty/tty_io.c
+++ b/drivers/tty/tty_io.c
@@ -1709,6 +1709,8 @@ int tty_release(struct inode *inode, struct file *filp)
int pty_master, tty_closing, o_tty_closing, do_sleep;
int idx;
char buf[64];
+ long timeout = 0;
+ int once = 1;
if (tty_paranoia_check(tty, inode, __func__))
return 0;
@@ -1789,11 +1791,18 @@ 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));
+ if (once) {
+ once = 0;
+ printk(KERN_WARNING "%s: %s: read/write wait queue active!\n",
+ __func__, tty_name(tty, buf));
+ }
tty_unlock_pair(tty, o_tty);
mutex_unlock(&tty_mutex);
- schedule();
+ schedule_timeout_killable(timeout);
+ if (timeout < 120 * HZ)
+ timeout = 2 * timeout + 1;
+ else
+ timeout = MAX_SCHEDULE_TIMEOUT;
}
/*