linux-kernel - [PATCH 1/2] drm/tegra: Add error check for NVDEC firmware memory allocation

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Date:   Thu, 13 Apr 2023 11:22:01 +0300
From:   Mikko Perttunen <cyndis@...si.fi>
To:     Thierry Reding <thierry.reding@...il.com>
Cc:     Mikko Perttunen <mperttunen@...dia.com>,
        Dan Carpenter <error27@...il.com>,
        dri-devel@...ts.freedesktop.org, linux-tegra@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH 1/2] drm/tegra: Add error check for NVDEC firmware memory allocation

From: Mikko Perttunen <mperttunen@...dia.com>

The return value for tegra_drm_alloc was missing an error check.
Add one.

Reported-by: Dan Carpenter <error27@...il.com>
Signed-off-by: Mikko Perttunen <mperttunen@...dia.com>
---
 drivers/gpu/drm/tegra/nvdec.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/gpu/drm/tegra/nvdec.c b/drivers/gpu/drm/tegra/nvdec.c
index ae78a81e5eef..15ce5e89fad4 100644
--- a/drivers/gpu/drm/tegra/nvdec.c
+++ b/drivers/gpu/drm/tegra/nvdec.c
@@ -276,6 +276,8 @@ static int nvdec_load_falcon_firmware(struct nvdec *nvdec)
 			return err;
 	} else {
 		virt = tegra_drm_alloc(tegra, size, &iova);
+		if (IS_ERR(virt))
+			return PTR_ERR(virt);
 	}
 
 	nvdec->falcon.firmware.virt = virt;
-- 
2.39.2