From 119558a187f153a195e4254c5879b755a55e3217 Mon Sep 17 00:00:00 2001 From: Christian Marangi Date: Wed, 10 May 2023 17:17:49 +0200 Subject: [PATCH] kernel: ltq-adsl: add patch fixing compilation warning Add patch fixing compilation warning due to not handled switch fallthrough, stack limit and compilation warning in g997 module. Fix compilation warning: /__w/openwrt/openwrt/openwrt/build_dir/target-mips-openwrt-linux-musl_musl/linux-lantiq_ase/ltq-dsl-ase/drv_dsl_cpe_api-3.24.4.4/src/pm/drv_dsl_cpe_pm_core.c: In function 'DSL_DRV_PM_CountersReset': /__w/openwrt/openwrt/openwrt/build_dir/target-mips-openwrt-linux-musl_musl/linux-lantiq_ase/ltq-dsl-ase/drv_dsl_cpe_api-3.24.4.4/src/pm/drv_dsl_cpe_pm_core.c:2277:7: error: this statement may fall through [-Werror=implicit-fallthrough=] 2277 | if (ResetType == DSL_PM_RESET_HISTORY) | ^ /__w/openwrt/openwrt/openwrt/build_dir/target-mips-openwrt-linux-musl_musl/linux-lantiq_ase/ltq-dsl-ase/drv_dsl_cpe_api-3.24.4.4/src/pm/drv_dsl_cpe_pm_core.c:2280:4: note: here 2280 | case DSL_PM_RESET_TOTAL: | ^~~~ /__w/openwrt/openwrt/openwrt/build_dir/target-mips-openwrt-linux-musl_musl/linux-lantiq_ase/ltq-dsl-ase/drv_dsl_cpe_api-3.24.4.4/src/pm/drv_dsl_cpe_pm_core.c:2284:7: error: this statement may fall through [-Werror=implicit-fallthrough=] 2284 | if (ResetType == DSL_PM_RESET_TOTAL) | ^ /__w/openwrt/openwrt/openwrt/build_dir/target-mips-openwrt-linux-musl_musl/linux-lantiq_ase/ltq-dsl-ase/drv_dsl_cpe_api-3.24.4.4/src/pm/drv_dsl_cpe_pm_core.c:2287:4: note: here 2287 | case DSL_PM_RESET_HISTORY_SHOWTIME: | ^~~~ cc1: all warnings being treated as errors /__w/openwrt/openwrt/openwrt/build_dir/target-mips-openwrt-linux-musl_musl/linux-lantiq_ase/ltq-dsl-ase/drv_dsl_cpe_api-3.24.4.4/src/device/drv_dsl_cpe_device_danube.c: In function 'DSL_DRV_DEV_AutobootHandleTraining': /__w/openwrt/openwrt/openwrt/build_dir/target-mips-openwrt-linux-musl_musl/linux-lantiq_ase/ltq-dsl-ase/drv_dsl_cpe_api-3.24.4.4/src/device/drv_dsl_cpe_device_danube.c:3189:19: error: this statement may fall through [-Werror=implicit-fallthrough=] 3189 | if (nErrCode != DSL_SUCCESS) | ^ /__w/openwrt/openwrt/openwrt/build_dir/target-mips-openwrt-linux-musl_musl/linux-lantiq_ase/ltq-dsl-ase/drv_dsl_cpe_api-3.24.4.4/src/device/drv_dsl_cpe_device_danube.c:3197:13: note: here 3197 | case DSL_LINESTATE_IDLE: | ^~~~ cc1: all warnings being treated as errors /home/ansuel/openwrt-ansuel/openwrt/build_dir/target-mips-openwrt-linux-musl_musl/linux-lantiq_ase/ltq-dsl-ase/drv_dsl_cpe_api-3.24.4.4/src/g997/drv_dsl_cpe_api_g997_danube.c: In function 'DSL_DRV_DEV_G997_PowerManagementStateForcedTrigger': /home/ansuel/openwrt-ansuel/openwrt/build_dir/target-mips-openwrt-linux-musl_musl/linux-lantiq_ase/ltq-dsl-ase/drv_dsl_cpe_api-3.24.4.4/src/g997/drv_dsl_cpe_api_g997_danube.c:2532:52: error: bitwise comparison always evaluates to false [-Werror=tautological-compare] 2532 | else if (((nVal >> 4) & 0x15) == 0x9) | ^~ /home/ansuel/openwrt-ansuel/openwrt/build_dir/target-mips-openwrt-linux-musl_musl/linux-lantiq_ase/ltq-dsl-ase/drv_dsl_cpe_api-3.24.4.4/src/g997/drv_dsl_cpe_api_g997_danube.c: In function 'DSL_DRV_DEV_G997_DeltHlogGet': /home/ansuel/openwrt-ansuel/openwrt/build_dir/target-mips-openwrt-linux-musl_musl/linux-lantiq_ase/ltq-dsl-ase/drv_dsl_cpe_api-3.24.4.4/src/g997/drv_dsl_cpe_api_g997_danube.c:2108:1: error: the frame size of 1056 bytes is larger than 1024 bytes [-Werror=frame-larger-than=] 2108 | } | ^ cc1: all warnings being treated as errors Signed-off-by: Christian Marangi --- ...-fix-compilation-warning-fallthrough.patch | 36 ++++++++++ ...danube-dynamically-allocate-hlogdata.patch | 65 +++++++++++++++++++ ...-g997_danube-fix-compilation-warning.patch | 26 ++++++++ 3 files changed, 127 insertions(+) create mode 100644 package/kernel/lantiq/ltq-adsl/patches/201-fix-compilation-warning-fallthrough.patch create mode 100644 package/kernel/lantiq/ltq-adsl/patches/202-g997_danube-dynamically-allocate-hlogdata.patch create mode 100644 package/kernel/lantiq/ltq-adsl/patches/203-g997_danube-fix-compilation-warning.patch diff --git a/package/kernel/lantiq/ltq-adsl/patches/201-fix-compilation-warning-fallthrough.patch b/package/kernel/lantiq/ltq-adsl/patches/201-fix-compilation-warning-fallthrough.patch new file mode 100644 index 000000000000..dfaf29f44981 --- /dev/null +++ b/package/kernel/lantiq/ltq-adsl/patches/201-fix-compilation-warning-fallthrough.patch @@ -0,0 +1,36 @@ +--- a/src/pm/drv_dsl_cpe_pm_core.c ++++ b/src/pm/drv_dsl_cpe_pm_core.c +@@ -2274,16 +2274,18 @@ DSL_Error_t DSL_DRV_PM_CountersReset( + } + #endif /* #ifdef INCLUDE_DSL_CPE_PM_HISTORY*/ + +- if (ResetType == DSL_PM_RESET_HISTORY) +- break; ++ if (ResetType == DSL_PM_RESET_HISTORY) ++ break; + ++ fallthrough; + case DSL_PM_RESET_TOTAL: + #ifdef INCLUDE_DSL_CPE_PM_TOTAL_COUNTERS + memset(EpData.pRecTotal, 0x0, EpData.nEpRecElementSize); + #endif /* #ifdef INCLUDE_DSL_CPE_PM_TOTAL_COUNTERS*/ +- if (ResetType == DSL_PM_RESET_TOTAL) +- break; ++ if (ResetType == DSL_PM_RESET_TOTAL) ++ break; + ++ fallthrough; + case DSL_PM_RESET_HISTORY_SHOWTIME: + #ifdef INCLUDE_DSL_CPE_PM_SHOWTIME_COUNTERS + nErrCode = DSL_DRV_PM_HistoryDelete(pContext, EpData.pHistShowtime ); +--- a/src/device/drv_dsl_cpe_device_danube.c ++++ b/src/device/drv_dsl_cpe_device_danube.c +@@ -3193,7 +3193,7 @@ DSL_Error_t DSL_DRV_DEV_AutobootHandleTraining( + DSL_DEV_NUM(pContext))); + } + #endif /* INCLUDE_DSL_DELT*/ +- /* Pass through */ ++ fallthrough ; + case DSL_LINESTATE_IDLE: + #if defined(INCLUDE_DSL_PM) && defined(INCLUDE_DSL_CPE_PM_LINE_COUNTERS) + if ( (pContext->bGotFullInit == DSL_TRUE) && diff --git a/package/kernel/lantiq/ltq-adsl/patches/202-g997_danube-dynamically-allocate-hlogdata.patch b/package/kernel/lantiq/ltq-adsl/patches/202-g997_danube-dynamically-allocate-hlogdata.patch new file mode 100644 index 000000000000..c3b1047a2ab4 --- /dev/null +++ b/package/kernel/lantiq/ltq-adsl/patches/202-g997_danube-dynamically-allocate-hlogdata.patch @@ -0,0 +1,65 @@ +--- a/src/g997/drv_dsl_cpe_api_g997_danube.c ++++ b/src/g997/drv_dsl_cpe_api_g997_danube.c +@@ -1984,41 +1984,53 @@ DSL_Error_t DSL_DRV_DEV_G997_DeltHlogGet( + { + if (nDirection == DSL_DOWNSTREAM) + { +- DSL_G997_DeltHlogData_t HlogData; ++ DSL_G997_DeltHlogData_t *HlogData; + +- memset(&HlogData, 0x0, sizeof(DSL_G997_DeltHlogData_t)); ++ HlogData = kzalloc(sizeof(*HlogData), GFP_KERNEL); ++ if (!HlogData) ++ { ++ DSL_DEBUG(DSL_DBG_ERR, ++ (pContext, "DSL[%02d]: ERROR - Alloc HlogData failed!"DSL_DRV_CRLF, ++ DSL_DEV_NUM(pContext))); ++ return DSL_ERR_MEMORY; ++ } ++ ++ memset(HlogData, 0x0, sizeof(DSL_G997_DeltHlogData_t)); + + /* Get SHOWTIME Hlog values*/ + nErrCode = DSL_DRV_DANUBE_G997_DeltHlogGet( +- pContext, nDirection, &HlogData); ++ pContext, nDirection, HlogData); + if (nErrCode != DSL_SUCCESS) + { + DSL_DEBUG(DSL_DBG_ERR, + (pContext, "DSL[%02d]: ERROR - Showtime Hlog get failed!"DSL_DRV_CRLF, + DSL_DEV_NUM(pContext))); ++ kfree(HlogData); + return nErrCode; + } + + /* if actual group size != 1, values should be spread */ +- if (HlogData.nGroupSize != 1) ++ if (HlogData->nGroupSize != 1) + { + nErrCode = DSL_DRV_DANUBE_G997_DeltValuesSpread( +- 0x1, HlogData.nGroupSize, HlogData.deltHlog.nNumData, +- HlogData.deltHlog.nNSCData, pData->deltHlog.nNSCData); ++ 0x1, HlogData->nGroupSize, HlogData->deltHlog.nNumData, ++ HlogData->deltHlog.nNSCData, pData->deltHlog.nNSCData); + + if (nErrCode == DSL_SUCCESS) + { + pData->deltHlog.nNumData = +- (DSL_uint16_t)(HlogData.deltHlog.nNumData * HlogData.nGroupSize); ++ (DSL_uint16_t)(HlogData->deltHlog.nNumData * HlogData->nGroupSize); + pData->nGroupSize = 1; +- pData->nMeasurementTime = HlogData.nMeasurementTime; ++ pData->nMeasurementTime = HlogData->nMeasurementTime; + } + } + else + { + /* No spread needed, copy data*/ +- memcpy(pData, &HlogData, sizeof(DSL_G997_DeltHlogData_t)); ++ memcpy(pData, HlogData, sizeof(DSL_G997_DeltHlogData_t)); + } ++ ++ kfree(HlogData); + } + else + { diff --git a/package/kernel/lantiq/ltq-adsl/patches/203-g997_danube-fix-compilation-warning.patch b/package/kernel/lantiq/ltq-adsl/patches/203-g997_danube-fix-compilation-warning.patch new file mode 100644 index 000000000000..c6a0e70f1f92 --- /dev/null +++ b/package/kernel/lantiq/ltq-adsl/patches/203-g997_danube-fix-compilation-warning.patch @@ -0,0 +1,26 @@ +--- a/src/g997/drv_dsl_cpe_api_g997_danube.c ++++ b/src/g997/drv_dsl_cpe_api_g997_danube.c +@@ -2512,6 +2524,7 @@ DSL_Error_t DSL_DRV_DEV_G997_PowerManagementStateForcedTrigger( + else + { + /* read L3 request failure reason */ ++ DSL_uint8_t nErrCodeL3; + nErrCode = DSL_DRV_DANUBE_CmvRead(pContext, DSL_CMV_GROUP_STAT, + DSL_CMV_ADDRESS_STAT_L3_FAILURE_REASON, 0, 1, &nVal); + DSL_DEBUG(DSL_DBG_MSG, +@@ -2525,11 +2538,13 @@ DSL_Error_t DSL_DRV_DEV_G997_PowerManagementStateForcedTrigger( + nErrCode = DSL_ERR_MSG_EXCHANGE; + break; + } +- if (((nVal >> 4) & 0x15) == 0x5) ++ ++ nErrCodeL3 = (nVal >> 4) & 0x15; ++ if (nErrCodeL3 == 0x5) + { + nErrCode = DSL_ERR_L3_NOT_IN_L0; + } +- else if (((nVal >> 4) & 0x15) == 0x9) ++ else if (nErrCodeL3 == 0x9) + { + nErrCode = DSL_ERR_L3_TIMED_OUT; + } -- 2.30.2