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drm/amdgpu: fix hpd range check in dce_v8_0_hpd_irq() 

Spotted by Dan Carpenter.  This is a slight variant of
his fix.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Alex Deucher 2015-06-11 11:26:03 -04:00
parent c5fd936e99
commit e922cfb1c4
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/amd/amdgpu/dce_v8_0.c
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@ -3379,7 +3379,7 @@ 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 >= adev->mode_info.num_hpd) {
DRM_DEBUG("Unhandled interrupt: %d %d\n", entry->src_id, entry->src_data);
return 0;
}