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authorDavid S. Miller <davem@davemloft.net>2010-03-15 23:23:54 (GMT)
committerDavid S. Miller <davem@davemloft.net>2010-03-15 23:23:54 (GMT)
commit4961e02f1999e1c3468c09b2669c94d7c3ae82a8 (patch)
tree44c15abb09d7ba5e17a9aba95ee246648b1c1a8a /drivers/char/n_tty.c
parentd14a0ebda7d3daede1a99c01527affb9ceaa4c22 (diff)
parenta3d3203e4bb40f253b1541e310dc0f9305be7c84 (diff)
downloadlinux-fsl-qoriq-4961e02f1999e1c3468c09b2669c94d7c3ae82a8.tar.xz
Merge branch 'master' of /home/davem/src/GIT/linux-2.6/
Diffstat (limited to 'drivers/char/n_tty.c')
-rw-r--r--drivers/char/n_tty.c17
1 files changed, 17 insertions, 0 deletions
diff --git a/drivers/char/n_tty.c b/drivers/char/n_tty.c
index 2e50f4d..bdae832 100644
--- a/drivers/char/n_tty.c
+++ b/drivers/char/n_tty.c
@@ -48,6 +48,7 @@
#include <linux/audit.h>
#include <linux/file.h>
#include <linux/uaccess.h>
+#include <linux/module.h>
#include <asm/system.h>
@@ -2091,3 +2092,19 @@ struct tty_ldisc_ops tty_ldisc_N_TTY = {
.receive_buf = n_tty_receive_buf,
.write_wakeup = n_tty_write_wakeup
};
+
+/**
+ * n_tty_inherit_ops - inherit N_TTY methods
+ * @ops: struct tty_ldisc_ops where to save N_TTY methods
+ *
+ * Used by a generic struct tty_ldisc_ops to easily inherit N_TTY
+ * methods.
+ */
+
+void n_tty_inherit_ops(struct tty_ldisc_ops *ops)
+{
+ *ops = tty_ldisc_N_TTY;
+ ops->owner = NULL;
+ ops->refcount = ops->flags = 0;
+}
+EXPORT_SYMBOL_GPL(n_tty_inherit_ops);