From 7bc487c12eefc53a4f7b67cba6f590ce9807a968 Mon Sep 17 00:00:00 2001 From: Martin Schiller Date: Thu, 11 Apr 2024 20:31:01 +0200 Subject: [PATCH] kernel: ltq-vdsl-vr9-mei: fix warning about field-spanning write We need to use unsafe_memcpy() here, because the code do the field- spanning write intentionally. Signed-off-by: Martin Schiller --- ...cpy-for-intentional-field-spanning-write.patch | 15 +++++++++++++++ 1 file changed, 15 insertions(+) create mode 100644 package/kernel/lantiq/ltq-vdsl-vr9-mei/patches/401-use-unsafe_memcpy-for-intentional-field-spanning-write.patch diff --git a/package/kernel/lantiq/ltq-vdsl-vr9-mei/patches/401-use-unsafe_memcpy-for-intentional-field-spanning-write.patch b/package/kernel/lantiq/ltq-vdsl-vr9-mei/patches/401-use-unsafe_memcpy-for-intentional-field-spanning-write.patch new file mode 100644 index 0000000000..1542ace44f --- /dev/null +++ b/package/kernel/lantiq/ltq-vdsl-vr9-mei/patches/401-use-unsafe_memcpy-for-intentional-field-spanning-write.patch @@ -0,0 +1,15 @@ +--- a/src/drv_mei_cpe_msg_process.c ++++ b/src/drv_mei_cpe_msg_process.c +@@ -3524,7 +3524,12 @@ IFX_int32_t MEI_IoctlCmdMsgWrite( + { + if (bInternCall) + { ++#if (LINUX_VERSION_CODE < KERNEL_VERSION(5,19,0)) + memcpy(pDestPtr, pUserMsg->pPayload, pUserMsg->paylSize_byte); ++#else ++ unsafe_memcpy(pDestPtr, pUserMsg->pPayload, pUserMsg->paylSize_byte, ++ /* field-spanning writing is used here intentionally */); ++#endif + } + else + {