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Subject[PATCH 2/7] tty: Fix sparse static warning for tty_driver_lookup_tty
Fixed sparse warning:
drivers/char/tty_io.c:1216:19: warning: symbol 'tty_driver_lookup_tty' was not declared. Should it be static?

Signed-off-by: Jason Wessel <>
drivers/char/tty_io.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/drivers/char/tty_io.c b/drivers/char/tty_io.c
index 59f4721..6fb2cbf 100644
--- a/drivers/char/tty_io.c
+++ b/drivers/char/tty_io.c
@@ -1213,7 +1213,7 @@ static void tty_line_name(struct tty_driver *driver, int index, char *p)
* be held until the 'fast-open' is also done. Will change once we
* have refcounting in the driver and per driver locking
-struct tty_struct *tty_driver_lookup_tty(struct tty_driver *driver,
+static struct tty_struct *tty_driver_lookup_tty(struct tty_driver *driver,
struct inode *inode, int idx)
struct tty_struct *tty;

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