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authorUwe Kleine-König <uwe@kleine-koenig.org>2021-02-08 15:31:49 +0100
committerJohan Hovold <johan@kernel.org>2021-02-09 13:13:58 +0100
commitc5d1448fa353242635fa3e1fed6ab4558e0e7d9a (patch)
treed74c1132f17bd3f0ad29a6565e887f541169bd00 /drivers/usb/serial/cypress_m8.c
parentUSB: serial: drop if with an always false condition (diff)
downloadlinux-dev-c5d1448fa353242635fa3e1fed6ab4558e0e7d9a.tar.xz
linux-dev-c5d1448fa353242635fa3e1fed6ab4558e0e7d9a.zip
USB: serial: make remove callback return void
All usb_serial drivers return 0 in their remove callbacks and driver core ignores the value returned by usb_serial_device_remove(). So change the remove callback to return void and return 0 unconditionally in usb_serial_device_remove(). Signed-off-by: Uwe Kleine-König <uwe@kleine-koenig.org> Link: https://lore.kernel.org/r/20210208143149.963644-2-uwe@kleine-koenig.org Signed-off-by: Johan Hovold <johan@kernel.org>
Diffstat (limited to 'drivers/usb/serial/cypress_m8.c')
-rw-r--r--drivers/usb/serial/cypress_m8.c6
1 files changed, 2 insertions, 4 deletions
diff --git a/drivers/usb/serial/cypress_m8.c b/drivers/usb/serial/cypress_m8.c
index cc028601c388..166ee2286fda 100644
--- a/drivers/usb/serial/cypress_m8.c
+++ b/drivers/usb/serial/cypress_m8.c
@@ -115,7 +115,7 @@ struct cypress_private {
static int cypress_earthmate_port_probe(struct usb_serial_port *port);
static int cypress_hidcom_port_probe(struct usb_serial_port *port);
static int cypress_ca42v2_port_probe(struct usb_serial_port *port);
-static int cypress_port_remove(struct usb_serial_port *port);
+static void cypress_port_remove(struct usb_serial_port *port);
static int cypress_open(struct tty_struct *tty, struct usb_serial_port *port);
static void cypress_close(struct usb_serial_port *port);
static void cypress_dtr_rts(struct usb_serial_port *port, int on);
@@ -564,7 +564,7 @@ static int cypress_ca42v2_port_probe(struct usb_serial_port *port)
return 0;
}
-static int cypress_port_remove(struct usb_serial_port *port)
+static void cypress_port_remove(struct usb_serial_port *port)
{
struct cypress_private *priv;
@@ -572,8 +572,6 @@ static int cypress_port_remove(struct usb_serial_port *port)
kfifo_free(&priv->write_fifo);
kfree(priv);
-
- return 0;
}
static int cypress_open(struct tty_struct *tty, struct usb_serial_port *port)