drm/amdgpu: Fix potential double free and null pointer dereference

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In amdgpu_get_xgmi_hive(), we should not call kfree() after
kobject_put() as the PUT will call kfree().

In amdgpu_device_ip_init(), we need to check the returned *hive*
which can be NULL before we dereference it.

Signed-off-by: Liang He <windhl@126.com>
Reviewed-by: Luben Tuikov <luben.tuikov@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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Liang He 2022-11-22 12:28:49 +08:00 • committed by Alex Deucher

parent 2c83e3fd92

commit dfd0287bd3

2 changed files with 5 additions and 2 deletions

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5

drivers/gpu/drm/amd/amdgpu/amdgpu_device.c

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2

drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c

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