[patch] drm/amdgpu: off by one check in dce_v8_0_hpd_irq()

It should be >= instead of > or we go beyond the end of the interrupt_status_offsets[] array. Also I changed it to use ARRAY_SIZE().

Signed-off-by: Dan Carpenter dan.carpenter@oracle.com

diff --git a/drivers/gpu/drm/amd/amdgpu/dce_v8_0.c b/drivers/gpu/drm/amd/amdgpu/dce_v8_0.c index 9e8b9f1..0f70dc9 100644 --- a/drivers/gpu/drm/amd/amdgpu/dce_v8_0.c +++ b/drivers/gpu/drm/amd/amdgpu/dce_v8_0.c @@ -3397,7 +3397,7 @@ static int dce_v8_0_hpd_irq(struct amdgpu_device *adev, uint32_t disp_int, mask, int_control, tmp; unsigned hpd;

- if (entry->src_data > 6) { + if (entry->src_data >= ARRAY_SIZE(interrupt_status_offsets)) { DRM_DEBUG("Unhandled interrupt: %d %d\n", entry->src_id, entry->src_data); return 0; }