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From: Sasha Levin <sashal@kernel.org>
To: linux-kernel@vger.kernel.org, stable@vger.kernel.org
Cc: Rajendra Nayak <rnayak@codeaurora.org>,
	Bjorn Andersson <bjorn.andersson@linaro.org>,
	Stanimir Varbanov <stanimir.varbanov@linaro.org>,
	Mauro Carvalho Chehab <mchehab+huawei@kernel.org>,
	Sasha Levin <sashal@kernel.org>,
	linux-media@vger.kernel.org, linux-arm-msm@vger.kernel.org
Subject: [PATCH AUTOSEL 5.8 031/101] media: venus: core: Fix error handling in probe
Date: Sun, 18 Oct 2020 15:19:16 -0400	[thread overview]
Message-ID: <20201018192026.4053674-31-sashal@kernel.org> (raw)
In-Reply-To: <20201018192026.4053674-1-sashal@kernel.org>

From: Rajendra Nayak <rnayak@codeaurora.org>

[ Upstream commit 98cd831088c64aa8fe7e1d2a8bb94b6faba0462b ]

Post a successful pm_ops->core_get, an error in probe
should exit by doing a pm_ops->core_put which seems
to be missing. So fix it.

Signed-off-by: Rajendra Nayak <rnayak@codeaurora.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Stanimir Varbanov <stanimir.varbanov@linaro.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/media/platform/qcom/venus/core.c | 15 ++++++++++-----
 1 file changed, 10 insertions(+), 5 deletions(-)

diff --git a/drivers/media/platform/qcom/venus/core.c b/drivers/media/platform/qcom/venus/core.c
index 203c6538044fb..bfcaba37d60fe 100644
--- a/drivers/media/platform/qcom/venus/core.c
+++ b/drivers/media/platform/qcom/venus/core.c
@@ -224,13 +224,15 @@ static int venus_probe(struct platform_device *pdev)
 
 	ret = dma_set_mask_and_coherent(dev, core->res->dma_mask);
 	if (ret)
-		return ret;
+		goto err_core_put;
 
 	if (!dev->dma_parms) {
 		dev->dma_parms = devm_kzalloc(dev, sizeof(*dev->dma_parms),
 					      GFP_KERNEL);
-		if (!dev->dma_parms)
-			return -ENOMEM;
+		if (!dev->dma_parms) {
+			ret = -ENOMEM;
+			goto err_core_put;
+		}
 	}
 	dma_set_max_seg_size(dev, DMA_BIT_MASK(32));
 
@@ -242,11 +244,11 @@ static int venus_probe(struct platform_device *pdev)
 					IRQF_TRIGGER_HIGH | IRQF_ONESHOT,
 					"venus", core);
 	if (ret)
-		return ret;
+		goto err_core_put;
 
 	ret = hfi_create(core, &venus_core_ops);
 	if (ret)
-		return ret;
+		goto err_core_put;
 
 	pm_runtime_enable(dev);
 
@@ -302,6 +304,9 @@ static int venus_probe(struct platform_device *pdev)
 	pm_runtime_set_suspended(dev);
 	pm_runtime_disable(dev);
 	hfi_destroy(core);
+err_core_put:
+	if (core->pm_ops->core_put)
+		core->pm_ops->core_put(dev);
 	return ret;
 }
 
-- 
2.25.1


  parent reply	other threads:[~2020-10-18 19:52 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <20201018192026.4053674-1-sashal@kernel.org>
2020-10-18 19:19 ` [PATCH AUTOSEL 5.8 029/101] media: venus: fixes for list corruption Sasha Levin
2020-10-18 19:19 ` Sasha Levin [this message]
2020-10-18 19:19 ` [PATCH AUTOSEL 5.8 032/101] media: venus: core: Fix runtime PM imbalance in venus_probe Sasha Levin
2020-10-18 19:19 ` [PATCH AUTOSEL 5.8 069/101] drm/msm/a6xx: fix a potential overflow issue Sasha Levin

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