tty: n_gsm: remove redundant pointer gsm

Pointer gsm is assigned a value that is never read, hence it is
redundant and can be removed. Cleans up clang warning:

drivers/tty/n_gsm.c:2979:2: warning: Value stored to 'gsm' is never read

Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/tty/n_gsm.c b/drivers/tty/n_gsm.c
index 5131bdc9e765037f882203f1b9b6afa8bf01656c..48e791d95f76a12e6a13c1e5ee5f28123b897801 100644 (file)
--- a/drivers/tty/n_gsm.c
+++ b/drivers/tty/n_gsm.c
@@ -2955,7 +2955,6 @@ static int gsmtty_open(struct tty_struct *tty, struct file *filp)
 static void gsmtty_close(struct tty_struct *tty, struct file *filp)
 {
        struct gsm_dlci *dlci = tty->driver_data;
-       struct gsm_mux *gsm;
 
        if (dlci == NULL)
                return;
@@ -2964,7 +2963,6 @@ static void gsmtty_close(struct tty_struct *tty, struct file *filp)
        mutex_lock(&dlci->mutex);
        gsm_destroy_network(dlci);
        mutex_unlock(&dlci->mutex);
-       gsm = dlci->gsm;
        if (tty_port_close_start(&dlci->port, tty, filp) == 0)
                return;
        gsm_dlci_begin_close(dlci);