staging: media: lirc: lirc_bt829: Remove explicit NULL comparison

Remove explicit NULL comparison and write it in its simpler form.
Signed-off-by: Anchal Jain <anchalj109@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/media/lirc/lirc_bt829.c

@@ -120,7 +120,7 @@ int init_module(void)
 	int rc;
 
 	pdev = do_pci_probe();
-	if (pdev == NULL)
+	if (!pdev)
 		return -ENODEV;
 
 	rc = pci_enable_device(pdev);