Hi all, After merging the net-next tree, today's linux-next build (powerpc allyesconfig) produced this warning: In file included from include/linux/byteorder/big_endian.h:5, from arch/powerpc/include/uapi/asm/byteorder.h:14, from include/asm-generic/bitops/le.h:6, from arch/powerpc/include/asm/bitops.h:250, from include/linux/bitops.h:29, from include/linux/kernel.h:12, from include/linux/list.h:9, from include/linux/module.h:12, from drivers/net/usb/cdc_ncm.c:41: drivers/net/usb/cdc_ncm.c: In function 'cdc_ncm_ndp32': include/uapi/linux/byteorder/big_endian.h:33:26: warning: conversion from 'unsigned int' to '__le16' {aka 'short unsigned int'} changes value from '402653184' to '0' [-Woverflow] 33 | #define __cpu_to_le32(x) ((__force __le32)__swab32((x))) | ^ include/linux/byteorder/generic.h:88:21: note: in expansion of macro '__cpu_to_le32' 88 | #define cpu_to_le32 __cpu_to_le32 | ^~~~~~~~~~~~~ drivers/net/usb/cdc_ncm.c:1175:19: note: in expansion of macro 'cpu_to_le32' 1175 | ndp32->wLength = cpu_to_le32(sizeof(struct usb_cdc_ncm_ndp32) + sizeof(struct usb_cdc_ncm_dpe32)); | ^~~~~~~~~~~ Introduced by commit 0fa81b304a79 ("cdc_ncm: Implement the 32-bit version of NCM Transfer Block") -- Cheers, Stephen Rothwell
Attachment:
pgp02Rg4TsjWR.pgp
Description: OpenPGP digital signature