提交 088e7c16 编写于 作者: M Mikita Lipski 提交者: Alex Deucher

drm/amdgpu: Disable irq on device before destroying it

Disable irq on devices before destroying them. That prevents
use-after-free memory access when unloading the driver.
Signed-off-by: NMikita Lipski <mikita.lipski@amd.com>
Reviewed-by: NAlex Deucher <alexander.deucher@amd.com>
Signed-off-by: NAlex Deucher <alexander.deucher@amd.com>
上级 ff97cba8
......@@ -1722,6 +1722,9 @@ static int amdgpu_device_ip_fini(struct amdgpu_device *adev)
int i, r;
amdgpu_amdkfd_device_fini(adev);
/* disable all interrupts */
amdgpu_irq_disable_all(adev);
/* need to disable SMC first */
for (i = 0; i < adev->num_ip_blocks; i++) {
if (!adev->ip_blocks[i].status.hw)
......@@ -1773,8 +1776,6 @@ static int amdgpu_device_ip_fini(struct amdgpu_device *adev)
adev->ip_blocks[i].status.hw = false;
}
/* disable all interrupts */
amdgpu_irq_disable_all(adev);
for (i = adev->num_ip_blocks - 1; i >= 0; i--) {
if (!adev->ip_blocks[i].status.sw)
......
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