USB: serial: f81534: abort probe on early errors

We can now abort probe early after an error in calc_num_ports by
returning an errno instead of attempting to continue probing but not
register any ports.

Signed-off-by: Johan Hovold <johan@kernel.org>

diff --git a/drivers/usb/serial/f81534.c b/drivers/usb/serial/f81534.c
index a4b1fea..be106f4 100644 (file)
--- a/drivers/usb/serial/f81534.c
+++ b/drivers/usb/serial/f81534.c
@@ -634,7 +634,7 @@ static int f81534_calc_num_ports(struct usb_serial *serial,
        if (status) {
                dev_err(&serial->interface->dev, "%s: find idx failed: %d\n",
                                __func__, status);
-               return 0;
+               return status;
        }
 
        /*
@@ -650,7 +650,7 @@ static int f81534_calc_num_ports(struct usb_serial *serial,
                        dev_err(&serial->interface->dev,
                                        "%s: get custom data failed: %d\n",
                                        __func__, status);
-                       return 0;
+                       return status;
                }
 
                dev_dbg(&serial->interface->dev,
@@ -666,7 +666,7 @@ static int f81534_calc_num_ports(struct usb_serial *serial,
                        dev_err(&serial->interface->dev,
                                        "%s: read failed: %d\n", __func__,
                                        status);
-                       return 0;
+                       return status;
                }
 
                dev_dbg(&serial->interface->dev, "%s: read default config\n",