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path: root/drivers/tty/n_gsm.c
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Diffstat (limited to 'drivers/tty/n_gsm.c')
-rw-r--r--drivers/tty/n_gsm.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/tty/n_gsm.c b/drivers/tty/n_gsm.c
index 06f0c6d39620..bd24dc0d7e96 100644
--- a/drivers/tty/n_gsm.c
+++ b/drivers/tty/n_gsm.c
@@ -3064,7 +3064,7 @@ static unsigned int gsmtty_write_room(struct tty_struct *tty)
return TX_SIZE - kfifo_len(&dlci->fifo);
}
-static int gsmtty_chars_in_buffer(struct tty_struct *tty)
+static unsigned int gsmtty_chars_in_buffer(struct tty_struct *tty)
{
struct gsm_dlci *dlci = tty->driver_data;
if (dlci->state == DLCI_CLOSED)