summaryrefslogtreecommitdiffstats
path: root/drivers/char/tty_io.c
diff options
context:
space:
mode:
authorIngo Molnar <mingo@elte.hu>2008-12-03 12:54:45 +0100
committerIngo Molnar <mingo@elte.hu>2008-12-03 12:54:45 +0100
commitc36910c147fd7b129a8f1269c76b9767c99de5cd (patch)
tree29403cd341b62581718f6b34944271980fb133e6 /drivers/char/tty_io.c
parent70d7d357578245f1993fd2d3ccd26088bcd38941 (diff)
parent09ee17eb8ea89514c13980c4010bdbbaea8630c2 (diff)
Merge branch 'iommu-fixes-2.6.28' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/linux-2.6-iommu into x86/urgent
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;