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path: root/drivers/s390/char/fs3270.c
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Diffstat (limited to 'drivers/s390/char/fs3270.c')
-rw-r--r--drivers/s390/char/fs3270.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/s390/char/fs3270.c b/drivers/s390/char/fs3270.c
index 3ef5425d0eb8..84fbc90480dc 100644
--- a/drivers/s390/char/fs3270.c
+++ b/drivers/s390/char/fs3270.c
@@ -431,6 +431,7 @@ fs3270_open(struct inode *inode, struct file *filp)
tty = get_current_tty();
if (!tty || tty->driver->major != IBM_TTY3270_MAJOR) {
tty_kref_put(tty);
+ mutex_unlock(&tty_mutex);
rc = -ENODEV;
goto out;
}