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drm/amdgpu: fix ucode out-of-bounds read warning 

BugLink: https://bugs.launchpad.net/bugs/2081278

[ Upstream commit 8944acd0f9db33e17f387fdc75d33bb473d7936f ]

Clear warning that read ucode[] may out-of-bounds.

Signed-off-by: Tim Huang <Tim.Huang@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Signed-off-by: Koichiro Den <koichiro.den@canonical.com>
Signed-off-by: Stefan Bader <stefan.bader@canonical.com>
This commit is contained in:
Tim Huang 2024-05-06 16:21:00 +08:00 committed by Stefan Bader
parent 8a43fca50a
commit 1290d65e0e
1 changed files with 3 additions and 0 deletions
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3
drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c
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@ -213,6 +213,9 @@ static int amdgpu_cgs_get_firmware_info(struct cgs_device *cgs_device,
struct amdgpu_firmware_info *ucode;
id = fw_type_convert(cgs_device, type);
if (id >= AMDGPU_UCODE_ID_MAXIMUM)
return -EINVAL;
ucode = &adev->firmware.ucode[id];
if (ucode->fw == NULL)
return -EINVAL;