openwrt/package/kernel/lantiq/ltq-vdsl-vr9-mei/patches/401-use-unsafe_memcpy-for-intentional-field-spanning-write.patch
Martin Schiller 7bc487c12e 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 <ms@dev.tdt.de>
2024-05-15 08:54:58 +02:00

16 lines
498 B
Diff

--- 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
{