usb: fix uninitialized variable warning in keyspan_pda

This fixes the compiler warning.

Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/drivers/usb/serial/keyspan_pda.c b/drivers/usb/serial/keyspan_pda.c
index 644a1eaaa376686adc4c147dcf3e80cf373fdccd..60b3e22bd633a43e42f035e6d05fcce6f1b27861 100644 (file)
--- a/drivers/usb/serial/keyspan_pda.c
+++ b/drivers/usb/serial/keyspan_pda.c
@@ -408,7 +408,7 @@ static int keyspan_pda_get_modem_info(struct usb_serial *serial,
                             3, /* get pins */
                             USB_TYPE_VENDOR|USB_RECIP_INTERFACE|USB_DIR_IN,
                             0, 0, &data, 1, 2000);
-       if (rc > 0)
+       if (rc >= 0)
                *value = data;
        return rc;
 }