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authorTakashi Iwai <tiwai@suse.de>2008-12-01 18:02:17 +0100
committerTakashi Iwai <tiwai@suse.de>2008-12-01 18:02:17 +0100
commit3af4182cc5be7d5505f9801ee3297373f1872446 (patch)
tree214348d40ed547a72f9612a7e5c94a01afded812 /drivers/char/tty_io.c
parentf5d4c67e41a262f0cdfaec1bb0fa8e5952187ef9 (diff)
parentc07f62e5f18123103459ff74e86af1518a5b8af5 (diff)
Merge branch 'upstream' into topic/asoc
Diffstat (limited to 'drivers/char/tty_io.c')
-rw-r--r--drivers/char/tty_io.c15
1 files changed, 9 insertions, 6 deletions
diff --git a/drivers/char/tty_io.c b/drivers/char/tty_io.c
index 59f472143f0..1412a8d1e58 100644
--- a/drivers/char/tty_io.c
+++ b/drivers/char/tty_io.c
@@ -1795,12 +1795,15 @@ retry_open:
}
#endif
if (device == MKDEV(TTYAUX_MAJOR, 1)) {
- driver = tty_driver_kref_get(console_device(&index));
- if (driver) {
- /* Don't let /dev/console block */
- filp->f_flags |= O_NONBLOCK;
- noctty = 1;
- goto got_driver;
+ struct tty_driver *console_driver = console_device(&index);
+ if (console_driver) {
+ driver = tty_driver_kref_get(console_driver);
+ if (driver) {
+ /* Don't let /dev/console block */
+ filp->f_flags |= O_NONBLOCK;
+ noctty = 1;
+ goto got_driver;
+ }
}
mutex_unlock(&tty_mutex);
return -ENODEV;