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authorRussell King <rmk@dyn-67.arm.linux.org.uk>2008-12-13 09:12:51 +0000
committerRussell King <rmk+kernel@arm.linux.org.uk>2008-12-13 09:12:51 +0000
commit72aaf09fda49f5919d98d65d35e5179f3acb0497 (patch)
tree5fd25748f7f5640f8ee8efb86ddca88d12840791 /drivers/char/tty_io.c
parent67fbc2312312095acc2f19a0b601bac10f84cf9d (diff)
parent58c2467355ed3154a12ee49d8f8236547145c9d3 (diff)
Merge git://git.marvell.com/orion into devel
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 59f472143f08..1412a8d1e58d 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;