diff options
| -rw-r--r-- | drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c index 39cfe0fbf1b9..8291d74f26bc 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c @@ -85,6 +85,9 @@ static ssize_t dm_dp_aux_transfer(struct drm_dp_aux *aux, enum ddc_result res; ssize_t read_bytes; + if (WARN_ON(msg->size > 16)) + return -E2BIG; + switch (msg->request & ~DP_AUX_I2C_MOT) { case DP_AUX_NATIVE_READ: read_bytes = dal_ddc_service_read_dpcd_data( |