diff --git a/drivers/gpu/drm/amd/display/modules/hdcp/hdcp1_execution.c b/drivers/gpu/drm/amd/display/modules/hdcp/hdcp1_execution.c index 4d11041a8c6f4ddc34079cf1dd44e567eea0e9af..04845e43df15c8896439a5e6819a21cd3d6cf7fa 100644 --- a/drivers/gpu/drm/amd/display/modules/hdcp/hdcp1_execution.c +++ b/drivers/gpu/drm/amd/display/modules/hdcp/hdcp1_execution.c @@ -27,9 +27,11 @@ static inline enum mod_hdcp_status validate_bksv(struct mod_hdcp *hdcp) { - uint64_t n = *(uint64_t *)hdcp->auth.msg.hdcp1.bksv; + uint64_t n = 0; uint8_t count = 0; + memcpy(&n, hdcp->auth.msg.hdcp1.bksv, sizeof(uint64_t)); + while (n) { count++; n &= (n - 1);