USB-SIS: Deletion of an unnecessary check before the function call "usb_put_dev"

The usb_put_dev() function tests whether its argument is NULL and then
returns immediately. Thus the test around the call is not needed.

This issue was detected by using the Coccinelle software.

Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/usb/misc/sisusbvga/sisusb.c b/drivers/usb/misc/sisusbvga/sisusb.c
index 633caf6..022dc00 100644 (file)
--- a/drivers/usb/misc/sisusbvga/sisusb.c
+++ b/drivers/usb/misc/sisusbvga/sisusb.c
@@ -2472,8 +2472,7 @@ sisusb_delete(struct kref *kref)
        if (!sisusb)
                return;
 
-       if (sisusb->sisusb_dev)
-               usb_put_dev(sisusb->sisusb_dev);
+       usb_put_dev(sisusb->sisusb_dev);
 
        sisusb->sisusb_dev = NULL;
        sisusb_free_buffers(sisusb);