media: vcodec: fix ptr_ret.cocci warnings

drivers/media/platform/mtk-jpeg/mtk_jpeg_core.c:1087:1-3: WARNING: PTR_ERR_OR_ZERO can be used

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

Generated by: scripts/coccinelle/api/ptr_ret.cocci

Fixes: 648a9576 ("media: vcodec: fix error return value from mtk_jpeg_clk_init()")

CC: Ryder Lee <ryder.lee@mediatek.com>
Signed-off-by: Fengguang Wu <fengguang.wu@intel.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>

drivers/media/platform/mtk-jpeg/mtk_jpeg_core.c

@@ -1084,10 +1084,7 @@ static int mtk_jpeg_clk_init(struct mtk_jpeg_dev *jpeg)
 		return PTR_ERR(jpeg->clk_jdec);
 
 	jpeg->clk_jdec_smi = devm_clk_get(jpeg->dev, "jpgdec-smi");
-	if (IS_ERR(jpeg->clk_jdec_smi))
-		return PTR_ERR(jpeg->clk_jdec_smi);
-
-	return 0;
+	return PTR_ERR_OR_ZERO(jpeg->clk_jdec_smi);
 }
 
 static int mtk_jpeg_probe(struct platform_device *pdev)