kernel: ltq-tapi: add patch fixing compilation warning
Add patch fixing compilation warning for switch fallthrough and
copy_to_user ret not handled.
Fix compilation warning:
/home/ansuel/openwrt-ansuel/openwrt/build_dir/target-mips-openwrt-linux-musl_musl/linux-lantiq_xway/drv_tapi-3.13.0/src/drv_tapi_dial.c: In function 'ifx_tapi_dial_OnTimer':
/home/ansuel/openwrt-ansuel/openwrt/build_dir/target-mips-openwrt-linux-musl_musl/linux-lantiq_xway/drv_tapi-3.13.0/src/drv_tapi_dial.c:318:38: error: this statement may fall through [-Werror=implicit-fallthrough=]
318 | pTapiDialData->nHookChanges = 0;
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~
/home/ansuel/openwrt-ansuel/openwrt/build_dir/target-mips-openwrt-linux-musl_musl/linux-lantiq_xway/drv_tapi-3.13.0/src/drv_tapi_dial.c:322:7: note: here
322 | case TAPI_HOOK_STATE_DIAL_L_VAL:
| ^~~~
cc1: all warnings being treated as errors
/home/ansuel/openwrt-ansuel/openwrt/build_dir/target-mips-openwrt-linux-musl_musl/linux-lantiq_xway/drv_tapi-3.13.0/src/drv_tapi_event.c: In function 'IFX_TAPI_Event_Dispatch_ProcessCtx':
/home/ansuel/openwrt-ansuel/openwrt/build_dir/target-mips-openwrt-linux-musl_musl/linux-lantiq_xway/drv_tapi-3.13.0/src/drv_tapi_event.c:1546:30: error: this statement may fall through [-Werror=implicit-fallthrough=]
1546 | pEvent->ch = IFX_TAPI_DEVICE_CH_NUMBER;
/home/ansuel/openwrt-ansuel/openwrt/build_dir/target-mips-openwrt-linux-musl_musl/linux-lantiq_xway/drv_tapi-3.13.0/src/drv_tapi_event.c:1548:16: note: here
1548 | case IFX_TAPI_ERRSRC_LL_CH:
| ^~~~
cc1: all warnings being treated as errors
/home/ansuel/openwrt-ansuel/openwrt/build_dir/target-mips-openwrt-linux-musl_musl/linux-lantiq_xway/drv_tapi-3.13.0/src/drv_tapi_ioctl.c: In function 'TAPI_IoctlDev':
/home/ansuel/openwrt-ansuel/openwrt/build_dir/target-mips-openwrt-linux-musl_musl/linux-lantiq_xway/drv_tapi-3.13.0/src/drv_tapi_ioctl.c:705:19: error: ignoring return value of 'copy_to_user' declared with attribute 'warn_unused_result' [-Werror=unused-result]
705 | copy_to_user ((IFX_void_t*)ioarg, p_tmp, sizeof(IFX_TAPI_CAP_t));
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/home/ansuel/openwrt-ansuel/openwrt/build_dir/target-mips-openwrt-linux-musl_musl/linux-lantiq_xway/drv_tapi-3.13.0/src/drv_tapi_ioctl.c: In function 'TAPI_IoctlCh':
/home/ansuel/openwrt-ansuel/openwrt/build_dir/target-mips-openwrt-linux-musl_musl/linux-lantiq_xway/drv_tapi-3.13.0/src/drv_tapi_ioctl.c:1553:14: error: this statement may fall through [-Werror=implicit-fallthrough=]
1553 | ret = TAPI_statusNotSupported;
| ~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
/home/ansuel/openwrt-ansuel/openwrt/build_dir/target-mips-openwrt-linux-musl_musl/linux-lantiq_xway/drv_tapi-3.13.0/src/drv_tapi_ioctl.c:1555:7: note: here
1555 | default:
| ^~~~~~~
cc1: all warnings being treated as errors
/home/ansuel/openwrt-ansuel/openwrt/build_dir/target-mips-openwrt-linux-musl_musl/linux-lantiq_xway/drv_tapi-3.13.0/src/drv_tapi_cid.c: In function 'cid_fsm_alert_exec':
/home/ansuel/openwrt-ansuel/openwrt/build_dir/target-mips-openwrt-linux-musl_musl/linux-lantiq_xway/drv_tapi-3.13.0/src/drv_tapi_cid.c:2037:31: error: this statement may fall through [-Werror=implicit-fallthrough=]
2037 | pTxData->nCidSubState++;
| ~~~~~~~~~~~~~~~~~~~~~^~
/home/ansuel/openwrt-ansuel/openwrt/build_dir/target-mips-openwrt-linux-musl_musl/linux-lantiq_xway/drv_tapi-3.13.0/src/drv_tapi_cid.c:2039:7: note: here
2039 | case 1:
| ^~~~
/home/ansuel/openwrt-ansuel/openwrt/build_dir/target-mips-openwrt-linux-musl_musl/linux-lantiq_xway/drv_tapi-3.13.0/src/drv_tapi_cid.c:2053:31: error: this statement may fall through [-Werror=implicit-fallthrough=]
2053 | pTxData->nCidSubState++;
| ~~~~~~~~~~~~~~~~~~~~~^~
/home/ansuel/openwrt-ansuel/openwrt/build_dir/target-mips-openwrt-linux-musl_musl/linux-lantiq_xway/drv_tapi-3.13.0/src/drv_tapi_cid.c:2055:7: note: here
2055 | case 2:
| ^~~~
/home/ansuel/openwrt-ansuel/openwrt/build_dir/target-mips-openwrt-linux-musl_musl/linux-lantiq_xway/drv_tapi-3.13.0/src/drv_tapi_cid.c:2070:31: error: this statement may fall through [-Werror=implicit-fallthrough=]
2070 | pTxData->nCidSubState++;
| ~~~~~~~~~~~~~~~~~~~~~^~
/home/ansuel/openwrt-ansuel/openwrt/build_dir/target-mips-openwrt-linux-musl_musl/linux-lantiq_xway/drv_tapi-3.13.0/src/drv_tapi_cid.c:2072:7: note: here
2072 | default:
| ^~~~~~~
/home/ansuel/openwrt-ansuel/openwrt/build_dir/target-mips-openwrt-linux-musl_musl/linux-lantiq_xway/drv_tapi-3.13.0/src/drv_tapi_cid.c: In function 'cid_prepare_data':
/home/ansuel/openwrt-ansuel/openwrt/build_dir/target-mips-openwrt-linux-musl_musl/linux-lantiq_xway/drv_tapi-3.13.0/src/drv_tapi_cid.c:1501:13: error: this statement may fall through [-Werror=implicit-fallthrough=]
1501 | if (IFX_TAPI_CID_HM_ONHOOK == pTxData->txHookMode)
| ^
/home/ansuel/openwrt-ansuel/openwrt/build_dir/target-mips-openwrt-linux-musl_musl/linux-lantiq_xway/drv_tapi-3.13.0/src/drv_tapi_cid.c:1509:7: note: here
1509 | default:
| ^~~~~~~
/home/ansuel/openwrt-ansuel/openwrt/build_dir/target-mips-openwrt-linux-musl_musl/linux-lantiq_xway/drv_tapi-3.13.0/src/drv_tapi_cid.c:1531:16: error: this statement may fall through [-Werror=implicit-fallthrough=]
1531 | if (IFX_TAPI_CID_STD_KPN_DTMF_FSK != pConfData->nStandard)
| ^
/home/ansuel/openwrt-ansuel/openwrt/build_dir/target-mips-openwrt-linux-musl_musl/linux-lantiq_xway/drv_tapi-3.13.0/src/drv_tapi_cid.c:1535:10: note: here
1535 | case IFX_TAPI_CID_GEN_TYPE_FSK:
| ^~~~
/home/ansuel/openwrt-ansuel/openwrt/build_dir/target-mips-openwrt-linux-musl_musl/linux-lantiq_xway/drv_tapi-3.13.0/src/drv_tapi_cid.c: In function 'cid_lookup_transparent':
/home/ansuel/openwrt-ansuel/openwrt/build_dir/target-mips-openwrt-linux-musl_musl/linux-lantiq_xway/drv_tapi-3.13.0/src/drv_tapi_cid.c:1425:10: error: this statement may fall through [-Werror=implicit-fallthrough=]
1425 | cidfsk_set_tx_time (pTxData, &pConfData->TapiCidFskConf);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/home/ansuel/openwrt-ansuel/openwrt/build_dir/target-mips-openwrt-linux-musl_musl/linux-lantiq_xway/drv_tapi-3.13.0/src/drv_tapi_cid.c:1427:7: note: here
1427 | case IFX_TAPI_CID_GEN_TYPE_DTMF:
| ^~~~
/home/ansuel/openwrt-ansuel/openwrt/build_dir/target-mips-openwrt-linux-musl_musl/linux-lantiq_xway/drv_tapi-3.13.0/src/drv_tapi_cid.c: In function 'TAPI_Phone_CID_Stop_Tx':
/home/ansuel/openwrt-ansuel/openwrt/build_dir/target-mips-openwrt-linux-musl_musl/linux-lantiq_xway/drv_tapi-3.13.0/src/drv_tapi_cid.c:3445:10: error: this statement may fall through [-Werror=implicit-fallthrough=]
3445 | switch (pTxData->nAlertType)
| ^~~~~~
/home/ansuel/openwrt-ansuel/openwrt/build_dir/target-mips-openwrt-linux-musl_musl/linux-lantiq_xway/drv_tapi-3.13.0/src/drv_tapi_cid.c:3461:7: note: here
3461 | case TAPI_CID_STATE_ACK:
| ^~~~
/home/ansuel/openwrt-ansuel/openwrt/build_dir/target-mips-openwrt-linux-musl_musl/linux-lantiq_xway/drv_tapi-3.13.0/src/drv_tapi_cid.c:3463:13: error: this statement may fall through [-Werror=implicit-fallthrough=]
3463 | if (ptr_chk(pDrvCtx->SIG.DTMFD_Override, ""))
| ^
/home/ansuel/openwrt-ansuel/openwrt/build_dir/target-mips-openwrt-linux-musl_musl/linux-lantiq_xway/drv_tapi-3.13.0/src/drv_tapi_cid.c:3472:7: note: here
3472 | case TAPI_CID_STATE_SENDING:
| ^~~~
/home/ansuel/openwrt-ansuel/openwrt/build_dir/target-mips-openwrt-linux-musl_musl/linux-lantiq_xway/drv_tapi-3.13.0/src/drv_tapi_cid.c: In function 'TAPI_Phone_Get_CidRxData':
/home/ansuel/openwrt-ansuel/openwrt/build_dir/target-mips-openwrt-linux-musl_musl/linux-lantiq_xway/drv_tapi-3.13.0/src/drv_tapi_cid.c:4060:10: error: this statement may fall through [-Werror=implicit-fallthrough=]
4060 | if (IFX_Fifo_isEmpty(&(pCidRx->TapiCidRxFifo)))
| ^
/home/ansuel/openwrt-ansuel/openwrt/build_dir/target-mips-openwrt-linux-musl_musl/linux-lantiq_xway/drv_tapi-3.13.0/src/drv_tapi_cid.c:4069:4: note: here
4069 | default:
| ^~~~~~~
cc1: all warnings being treated as errors
Signed-off-by: Christian Marangi <ansuelsmth@gmail.com>