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-rw-r--r--drivers/tty/n_gsm.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/tty/n_gsm.c b/drivers/tty/n_gsm.c
index a38b922bcbc1..9b0b435cf26e 100644
--- a/drivers/tty/n_gsm.c
+++ b/drivers/tty/n_gsm.c
@@ -1658,6 +1658,7 @@ static void gsm_dlci_data(struct gsm_dlci *dlci, const u8 *data, int clen)
if (len == 0)
return;
}
+ len--;
slen++;
tty = tty_port_tty_get(port);
if (tty) {