[PATCH 0/5][next] net: Avoid thousands of -Wflex-array-member-not-at-end warnings

From: Gustavo A. R. Silva
Date: Tue Oct 15 2024 - 20:26:06 EST


This series aims to resolve thousands of -Wflex-array-member-not-at-end
warnings by introducing `struct sockaddr_legacy`. The intention is to use
it to replace the type of several struct members in the middle of composite
structures, currently of type `struct sockaddr`.

These middle struct members are currently causing thousands of warnings
because `struct sockaddr` contains a flexible-array member, introduced
by commit b5f0de6df6dce ("net: dev: Convert sa_data to flexible array in
struct sockaddR").

The new `struct sockaddr_legacy` doesn't include a flexible-array
member, making it suitable for use as the type of middle members
in composite structs that don't really require the flexible-array
member in `struct sockaddr`, thus avoiding -Wflex-array-member-not-at-end
warnings.

Gustavo A. R. Silva (5):
net: dev: Introduce struct sockaddr_legacy
nfsd: avoid -Wflex-array-member-not-at-end warnings
uapi: wireless: Avoid -Wflex-array-member-not-at-end warnings
uapi: net: arp: Avoid -Wflex-array-member-not-at-end warnings
uapi: net: Avoid -Wflex-array-member-not-at-end warnings

fs/nfsd/nfsctl.c | 4 +--
fs/nfsd/nfsd.h | 4 +--
include/linux/socket.h | 19 +++++++++++++
include/net/compat.h | 30 ++++++++++-----------
include/uapi/linux/if_arp.h | 18 ++++++-------
include/uapi/linux/route.h | 28 ++++++++++----------
include/uapi/linux/wireless.h | 50 +++++++++++++++++------------------
net/appletalk/ddp.c | 2 +-
net/ipv4/af_inet.c | 2 +-
net/ipv4/arp.c | 2 +-
net/ipv4/fib_frontend.c | 2 +-
11 files changed, 90 insertions(+), 71 deletions(-)

--
2.34.1