Commit 664a08bb authored by Colin Ian King's avatar Colin Ian King Committed by Alex Deucher

drm/amdgpu: avoid out of bounds access on array interrupt_status_offsets

The check for an out of bound index into array interrupt_status_offsets
is off-by-one. Fix this and also don't compared to a hard coded array
size but use adev->mode_info.num_hpd instead.
Signed-off-by: default avatarColin Ian King <colin.king@canonical.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 4d446656
...@@ -2782,7 +2782,7 @@ static int dce_v6_0_hpd_irq(struct amdgpu_device *adev, ...@@ -2782,7 +2782,7 @@ static int dce_v6_0_hpd_irq(struct amdgpu_device *adev,
uint32_t disp_int, mask, int_control, tmp; uint32_t disp_int, mask, int_control, tmp;
unsigned hpd; 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); DRM_DEBUG("Unhandled interrupt: %d %d\n", entry->src_id, entry->src_data);
return 0; return 0;
} }
......
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