From: Mikko Perttunen <mperttunen@nvidia.com>
Date: Thu, 13 Apr 2023 08:22:01 +0000 (+0300)
Subject: drm/tegra: Add error check for NVDEC firmware memory allocation
X-Git-Tag: v6.6.17~3937^2~18^2~105
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=cf8d3223218744d29793071ec6d61eba29057d90;p=platform%2Fkernel%2Flinux-rpi.git

drm/tegra: Add error check for NVDEC firmware memory allocation

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

Reported-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Mikko Perttunen <mperttunen@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230413082202.114721-1-cyndis@kapsi.fi
---

diff --git a/drivers/gpu/drm/tegra/nvdec.c b/drivers/gpu/drm/tegra/nvdec.c
index f821e36111a7..9f57968392af 100644
--- a/drivers/gpu/drm/tegra/nvdec.c
+++ b/drivers/gpu/drm/tegra/nvdec.c
@@ -274,6 +274,8 @@ 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;