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From: Wei Yongjun <weiyongjun1@huawei.com>
To: Linus Walleij <linus.walleij@linaro.org>,
	Matthias Brugger <matthias.bgg@gmail.com>,
	Sean Wang <sean.wang@mediatek.com>,
	"Ryder.Lee" <ryder.lee@mediatek.com>
Cc: linux-gpio@vger.kernel.org, kernel-janitors@vger.kernel.org,
	linux-mediatek@lists.infradead.org,
	Wei Yongjun <weiyongjun1@huawei.com>,
	linux-arm-kernel@lists.infradead.org
Subject: [PATCH -next] pinctrl: mediatek: moore: fix return value check in mtk_moore_pinctrl_probe()
Date: Thu, 20 Sep 2018 06:21:50 +0000	[thread overview]
Message-ID: <1537424510-23623-1-git-send-email-weiyongjun1@huawei.com> (raw)

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

Fixes: b7d7f9eeca55 ("pinctrl: mediatek: extend struct mtk_pin_desc which per-pin driver depends on")
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
---
 drivers/pinctrl/mediatek/pinctrl-moore.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/pinctrl/mediatek/pinctrl-moore.c b/drivers/pinctrl/mediatek/pinctrl-moore.c
index c27597c..3bf5dd5 100644
--- a/drivers/pinctrl/mediatek/pinctrl-moore.c
+++ b/drivers/pinctrl/mediatek/pinctrl-moore.c
@@ -608,8 +608,8 @@ int mtk_moore_pinctrl_probe(struct platform_device *pdev,
 
 	hw->base = devm_kmalloc_array(&pdev->dev, hw->soc->nbase_names,
 				      sizeof(*hw->base), GFP_KERNEL);
-	if (IS_ERR(hw->base))
-		return PTR_ERR(hw->base);
+	if (!hw->base)
+		return -ENOMEM;
 
 	for (i = 0; i < hw->soc->nbase_names; i++) {
 		res = platform_get_resource_byname(pdev, IORESOURCE_MEM,
@@ -629,8 +629,8 @@ int mtk_moore_pinctrl_probe(struct platform_device *pdev,
 	/* Copy from internal struct mtk_pin_desc to register to the core */
 	pins = devm_kmalloc_array(&pdev->dev, hw->soc->npins, sizeof(*pins),
 				  GFP_KERNEL);
-	if (IS_ERR(pins))
-		return PTR_ERR(pins);
+	if (!pins)
+		return -ENOMEM;
 
 	for (i = 0; i < hw->soc->npins; i++) {
 		pins[i].number = hw->soc->pins[i].number;

             reply	other threads:[~2018-09-20  6:21 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-09-20  6:21 Wei Yongjun [this message]
2018-09-21  2:01 ` [PATCH -next] pinctrl: mediatek: moore: fix return value check in mtk_moore_pinctrl_probe() Sean Wang
     [not found] ` <1537424510-23623-1-git-send-email-weiyongjun1-hv44wF8Li93QT0dZR+AlfA@public.gmane.org>
2018-09-21  2:18   ` Sean Wang
2018-09-21 16:08 ` Linus Walleij

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