From: zhanglianjie <zhanglianjie@uniontech.com>
Date: Sat, 29 Jan 2022 07:35:23 +0000 (+0800)
Subject: drm/amd/amdgpu/amdgpu_uvd: Fix forgotten unmap buffer object
X-Git-Tag: howlett/maple/20220722_2~936^2~18^2~21
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=db7b81545f5abdfd1f13b7f0a3f995994701cf92;p=users%2Fjedix%2Flinux-maple.git

drm/amd/amdgpu/amdgpu_uvd: Fix forgotten unmap buffer object

After the buffer object is successfully mapped,
call amdgpu_bo_kunmap before the function returns.

Signed-off-by: zhanglianjie <zhanglianjie@uniontech.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c
index 6f8de11a17f12..9cc23b220537e 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c
@@ -834,6 +834,7 @@ static int amdgpu_uvd_cs_msg(struct amdgpu_uvd_cs_ctx *ctx,
 	handle = msg[2];
 
 	if (handle == 0) {
+		amdgpu_bo_kunmap(bo);
 		DRM_ERROR("Invalid UVD handle!\n");
 		return -EINVAL;
 	}
@@ -892,6 +893,7 @@ static int amdgpu_uvd_cs_msg(struct amdgpu_uvd_cs_ctx *ctx,
 		DRM_ERROR("Illegal UVD message type (%d)!\n", msg_type);
 	}
 
+	amdgpu_bo_kunmap(bo);
 	return -EINVAL;
 }