linux-arm-kernel.lists.infradead.org archive mirror
 help / color / mirror / Atom feed
* [PATCH -next] [media] vcodec: mediatek: Fix return value check in mtk_vcodec_init_enc_pm()
@ 2016-07-12 11:02 weiyj_lk at 163.com
  2016-07-12 11:21 ` tiffany lin
  0 siblings, 1 reply; 2+ messages in thread
From: weiyj_lk at 163.com @ 2016-07-12 11:02 UTC (permalink / raw)
  To: linux-arm-kernel

From: Wei Yongjun <yongjun_wei@trendmicro.com.cn>

In case of error, the function devm_clk_get() returns ERR_PTR()
and not returns NULL. The NULL test in the return value check
should be replaced with IS_ERR().

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
---
 drivers/media/platform/mtk-vcodec/mtk_vcodec_enc_pm.c | 16 ++++++++--------
 1 file changed, 8 insertions(+), 8 deletions(-)

diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc_pm.c b/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc_pm.c
index 2379e97..3e73e9d 100644
--- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc_pm.c
+++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc_pm.c
@@ -67,27 +67,27 @@ int mtk_vcodec_init_enc_pm(struct mtk_vcodec_dev *mtkdev)
 	pm->dev = &pdev->dev;
 
 	pm->vencpll_d2 = devm_clk_get(&pdev->dev, "venc_sel_src");
-	if (pm->vencpll_d2 == NULL) {
+	if (IS_ERR(pm->vencpll_d2)) {
 		mtk_v4l2_err("devm_clk_get vencpll_d2 fail");
-		ret = -1;
+		ret = PTR_ERR(pm->vencpll_d2);
 	}
 
 	pm->venc_sel = devm_clk_get(&pdev->dev, "venc_sel");
-	if (pm->venc_sel == NULL) {
+	if (IS_ERR(pm->venc_sel)) {
 		mtk_v4l2_err("devm_clk_get venc_sel fail");
-		ret = -1;
+		ret = PTR_ERR(pm->venc_sel);
 	}
 
 	pm->univpll1_d2 = devm_clk_get(&pdev->dev, "venc_lt_sel_src");
-	if (pm->univpll1_d2 == NULL) {
+	if (IS_ERR(pm->univpll1_d2)) {
 		mtk_v4l2_err("devm_clk_get univpll1_d2 fail");
-		ret = -1;
+		ret = PTR_ERR(pm->univpll1_d2);
 	}
 
 	pm->venc_lt_sel = devm_clk_get(&pdev->dev, "venc_lt_sel");
-	if (pm->venc_lt_sel == NULL) {
+	if (IS_ERR(pm->venc_lt_sel)) {
 		mtk_v4l2_err("devm_clk_get venc_lt_sel fail");
-		ret = -1;
+		ret = PTR_ERR(pm->venc_lt_sel);
 	}
 
 	return ret;

^ permalink raw reply related	[flat|nested] 2+ messages in thread

end of thread, other threads:[~2016-07-12 11:21 UTC | newest]

Thread overview: 2+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2016-07-12 11:02 [PATCH -next] [media] vcodec: mediatek: Fix return value check in mtk_vcodec_init_enc_pm() weiyj_lk at 163.com
2016-07-12 11:21 ` tiffany lin

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).