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drm/amdgpu/irq: check if nbio funcs exist

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We need to check if the nbios funcs exist before
checking the individual pointers.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
This commit is contained in:
Alex Deucher 2019-09-01 12:31:42 -05:00
parent dabeea6427
commit bb42eda284
1 changed files with 4 additions and 2 deletions
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6
drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c
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@ -159,10 +159,12 @@ irqreturn_t amdgpu_irq_handler(int irq, void *arg)
* register to check whether the interrupt is triggered or not, and properly
* ack the interrupt if it is there
*/
if (adev->nbio.funcs->handle_ras_controller_intr_no_bifring)
if (adev->nbio.funcs &&
adev->nbio.funcs->handle_ras_controller_intr_no_bifring)
adev->nbio.funcs->handle_ras_controller_intr_no_bifring(adev);
if (adev->nbio.funcs->handle_ras_err_event_athub_intr_no_bifring)
if (adev->nbio.funcs &&
adev->nbio.funcs->handle_ras_err_event_athub_intr_no_bifring)
adev->nbio.funcs->handle_ras_err_event_athub_intr_no_bifring(adev);
return ret;