staging: fpgaboot: fix coccinelle warnings

drivers/staging/gs_fpgaboot/gs_fpgaboot.c:305:1-3: WARNING: PTR_RET can be used

 Use PTR_ERR_OR_ZERO rather than if(IS_ERR(...)) + PTR_ERR

Generated by: coccinelle/api/ptr_ret.cocci

CC: Insop Song <insop.song@gainspeed.com>
Signed-off-by: Fengguang Wu <fengguang.wu@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/gs_fpgaboot/gs_fpgaboot.c b/drivers/staging/gs_fpgaboot/gs_fpgaboot.c
index fee2f6140caea737abf7cc6f4311494832a10cc7..31a6741f4d3eadb18edef3499d3d4264aa05ade4 100644 (file)
--- a/drivers/staging/gs_fpgaboot/gs_fpgaboot.c
+++ b/drivers/staging/gs_fpgaboot/gs_fpgaboot.c
@@ -302,10 +302,7 @@ static int init_driver(void)
 {
        firmware_pdev = platform_device_register_simple("fpgaboot", -1,
                                                         NULL, 0);
-       if (IS_ERR(firmware_pdev))
-               return PTR_ERR(firmware_pdev);
-
-       return 0;
+       return PTR_ERR_OR_ZERO(firmware_pdev);
 }
 
 static void finish_driver(void)