[PATCH 02/22] drm/amdgpu: the warning dereferencing obj for nbio_v7_4

[Zhang, Jesse(Jie)]

[AMD Official Use Only - AMD Internal Distribution Only]

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-----Original Message-----
From: Jesse Zhang <jesse.zhang at amd.com>
Sent: Friday, May 10, 2024 10:50 AM
To: amd-gfx at lists.freedesktop.org
Cc: Deucher, Alexander <Alexander.Deucher at amd.com>; Koenig, Christian <Christian.Koenig at amd.com>; Huang, Tim <Tim.Huang at amd.com>; Zhang, Jesse(Jie) <Jesse.Zhang at amd.com>; Zhang, Jesse(Jie) <Jesse.Zhang at amd.com>
Subject: [PATCH 02/22] drm/amdgpu: the warning dereferencing obj for nbio_v7_4

if ras_manager obj null, don't print NBIO err data

Signed-off-by: Jesse Zhang <Jesse.Zhang at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/nbio_v7_4.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/nbio_v7_4.c b/drivers/gpu/drm/amd/amdgpu/nbio_v7_4.c
index fe18df10daaa..26e5885db9b7 100644
--- a/drivers/gpu/drm/amd/amdgpu/nbio_v7_4.c
+++ b/drivers/gpu/drm/amd/amdgpu/nbio_v7_4.c
@@ -383,7 +383,7 @@ static void nbio_v7_4_handle_ras_controller_intr_no_bifring(struct amdgpu_device
                else
                        WREG32_SOC15(NBIO, 0, mmBIF_DOORBELL_INT_CNTL, bif_doorbell_intr_cntl);

-               if (!ras->disable_ras_err_cnt_harvest) {
+               if (!ras->disable_ras_err_cnt_harvest && obj) {
                        /*
                         * clear error status after ras_controller_intr
                         * according to hw team and count ue number
--
2.25.1