From 831848fe84f3092de783bef86ca8b5b316d0b49c Mon Sep 17 00:00:00 2001 From: Christian Marangi Date: Thu, 11 May 2023 12:28:13 +0200 Subject: kernel: ltq-vmmc: fix compilation warning Fix compilation warning from ret not handled from copy_from_user and missing fallthrough. Fix compilation warning: /home/ansuel/openwrt-ansuel/openwrt/build_dir/target-mips-openwrt-linux-musl_musl/linux-lantiq_xway/drv_vmmc-1.9.0/src/drv_vmmc_bbd.c: In function 'vmmc_BBD_WhiteListedCmdWr': /home/ansuel/openwrt-ansuel/openwrt/build_dir/target-mips-openwrt-linux-musl_musl/linux-lantiq_xway/drv_vmmc-1.9.0/src/drv_vmmc_bbd.c:1012:16: error: this statement may fall through [-Werror=implicit-fallthrough=] 1012 | if (IFX_TRUE == pCh->pParent->bSlicSupportsIdleMode) | ^ /home/ansuel/openwrt-ansuel/openwrt/build_dir/target-mips-openwrt-linux-musl_musl/linux-lantiq_xway/drv_vmmc-1.9.0/src/drv_vmmc_bbd.c:1028:7: note: here 1028 | case VMMC_WL_SDD_RING_CFG: | ^~~~ cc1: all warnings being treated as errors /home/ansuel/openwrt-ansuel/openwrt/build_dir/target-mips-openwrt-linux-musl_musl/linux-lantiq_xway/drv_vmmc-1.9.0/src/drv_vmmc_ioctl.c: In function 'VMMC_Dev_Spec_Ioctl': /home/ansuel/openwrt-ansuel/openwrt/build_dir/target-mips-openwrt-linux-musl_musl/linux-lantiq_xway/drv_vmmc-1.9.0/src/drv_vmmc_ioctl.c:111:15: error: ignoring return value of 'copy_from_user' declared with attribute 'warn_unused_result' [-Werror=unused-result] 111 | copy_from_user (p_arg, (IFX_uint8_t*)ioarg, sizeof(arg));\ | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ /home/ansuel/openwrt-ansuel/openwrt/build_dir/target-mips-openwrt-linux-musl_musl/linux-lantiq_xway/drv_vmmc-1.9.0/src/drv_vmmc_ioctl.c:475:7: note: in expansion of macro 'ON_IOCTL' 475 | ON_IOCTL((VMMC_CHANNEL *) pLLDummyCh, | ^~~~~~~~ /home/ansuel/openwrt-ansuel/openwrt/build_dir/target-mips-openwrt-linux-musl_musl/linux-lantiq_xway/drv_vmmc-1.9.0/src/drv_vmmc_ioctl.c:113:15: error: ignoring return value of 'copy_to_user' declared with attribute 'warn_unused_result' [-Werror=unused-result] 113 | copy_to_user ((IFX_uint8_t*)ioarg, p_arg, sizeof(arg));\ | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ /home/ansuel/openwrt-ansuel/openwrt/build_dir/target-mips-openwrt-linux-musl_musl/linux-lantiq_xway/drv_vmmc-1.9.0/src/drv_vmmc_ioctl.c:475:7: note: in expansion of macro 'ON_IOCTL' 475 | ON_IOCTL((VMMC_CHANNEL *) pLLDummyCh, | ^~~~~~~~ cc1: all warnings being treated as errors Signed-off-by: Christian Marangi --- .../600-fix-compilation-warning-fallthrough.patch | 10 ++++++++++ .../601-fix-compilation-warning-ret-not-handled.patch | 16 ++++++++++++++++ 2 files changed, 26 insertions(+) create mode 100644 package/kernel/lantiq/ltq-vmmc/patches/600-fix-compilation-warning-fallthrough.patch create mode 100644 package/kernel/lantiq/ltq-vmmc/patches/601-fix-compilation-warning-ret-not-handled.patch (limited to 'package') diff --git a/package/kernel/lantiq/ltq-vmmc/patches/600-fix-compilation-warning-fallthrough.patch b/package/kernel/lantiq/ltq-vmmc/patches/600-fix-compilation-warning-fallthrough.patch new file mode 100644 index 0000000000..7282bc446d --- /dev/null +++ b/package/kernel/lantiq/ltq-vmmc/patches/600-fix-compilation-warning-fallthrough.patch @@ -0,0 +1,10 @@ +--- a/src/drv_vmmc_bbd.c ++++ b/src/drv_vmmc_bbd.c +@@ -1025,6 +1025,7 @@ static IFX_int32_t vmmc_BBD_WhiteListedCmdWr(VMMC_CHANNEL *pCh, + } + } + } ++ fallthrough; + case VMMC_WL_SDD_RING_CFG: + case VMMC_WL_SDD_DCDC_CFG: + case VMMC_WL_SDD_MWI_CFG: diff --git a/package/kernel/lantiq/ltq-vmmc/patches/601-fix-compilation-warning-ret-not-handled.patch b/package/kernel/lantiq/ltq-vmmc/patches/601-fix-compilation-warning-ret-not-handled.patch new file mode 100644 index 0000000000..da7c1c8a26 --- /dev/null +++ b/package/kernel/lantiq/ltq-vmmc/patches/601-fix-compilation-warning-ret-not-handled.patch @@ -0,0 +1,16 @@ +--- a/src/drv_vmmc_ioctl.c ++++ b/src/drv_vmmc_ioctl.c +@@ -108,9 +108,11 @@ extern IFX_int32_t VMMC_ChipAccessInit ( + {\ + arg* p_arg = VMMC_OS_Malloc (sizeof(arg));\ + VMMC_ASSERT (p_arg != IFX_NULL);\ +- copy_from_user (p_arg, (IFX_uint8_t*)ioarg, sizeof(arg));\ ++ if (copy_from_user (p_arg, (IFX_uint8_t*)ioarg, sizeof(arg)))\ ++ ret = -EFAULT;\ + ret = func((pContext), p_arg);\ +- copy_to_user ((IFX_uint8_t*)ioarg, p_arg, sizeof(arg));\ ++ if (copy_to_user ((IFX_uint8_t*)ioarg, p_arg, sizeof(arg)))\ ++ ret = -EFAULT;\ + VMMC_OS_Free (p_arg);\ + }\ + break -- cgit v1.2.1