linux-hardening - [PATCH v2 0/6] Avoid clashing function prototypes

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Message-ID: <cover.1666894751.git.gustavoars@kernel.org>
Date:   Thu, 27 Oct 2022 15:16:51 -0500
From:   "Gustavo A. R. Silva" <gustavoars@...nel.org>
To:     Kalle Valo <kvalo@...nel.org>,
        "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Jouni Malinen <j@...fi>,
        Stanislav Yakovlev <stas.yakovlev@...il.com>,
        Johannes Berg <johannes@...solutions.net>
Cc:     linux-staging@...ts.linux.dev, netdev@...r.kernel.org,
        linux-wireless@...r.kernel.org, linux-kernel@...r.kernel.org,
        Kees Cook <keescook@...omium.org>,
        "Gustavo A. R. Silva" <gustavoars@...nel.org>,
        linux-hardening@...r.kernel.org
Subject: [PATCH v2 0/6] Avoid clashing function prototypes

When built with Control Flow Integrity, function prototypes between
caller and function declaration must match. These mismatches are visible
at compile time with the new -Wcast-function-type-strict in Clang[1].

This series fixes a total of 424 -Wcast-function-type-strict warnings.

Link: https://reviews.llvm.org/D134831 [1]

Changes in v2:
 - Squash previous patches 1, 2 and 3 into a single patch
   cfg80211.
 - Add a couple more patches: bna and staging.
 - Fix 254 (227 in bna and 27 in staging) more
   -Wcast-function-type-strict warnings.

v1:
 - Link: https://lore.kernel.org/linux-hardening/cover.1666038048.git.gustavoars@kernel.org/

Gustavo A. R. Silva (6):
  cfg80211: Avoid clashing function prototypes
  hostap: Avoid clashing function prototypes
  zd1201: Avoid clashing function prototypes
  airo: Avoid clashing function prototypes
  bna: Avoid clashing function prototypes
  staging: ks7010: Avoid clashing function prototypes

 drivers/net/ethernet/brocade/bna/bfa_cs.h     |  60 +++--
 drivers/net/ethernet/brocade/bna/bfa_ioc.c    |  10 +-
 drivers/net/ethernet/brocade/bna/bfa_ioc.h    |   8 +-
 drivers/net/ethernet/brocade/bna/bfa_msgq.h   |   8 +-
 drivers/net/ethernet/brocade/bna/bna_enet.c   |   6 +-
 drivers/net/ethernet/brocade/bna/bna_tx_rx.c  |   6 +-
 drivers/net/ethernet/brocade/bna/bna_types.h  |  27 +-
 drivers/net/wireless/cisco/airo.c             | 204 ++++++++-------
 drivers/net/wireless/intel/ipw2x00/ipw2200.c  |   2 +-
 .../wireless/intersil/hostap/hostap_ioctl.c   | 234 ++++++++++--------
 drivers/net/wireless/intersil/orinoco/wext.c  | 113 +++++----
 drivers/net/wireless/zydas/zd1201.c           | 162 ++++++------
 drivers/staging/ks7010/ks_wlan_net.c          | 184 +++++++-------
 include/net/cfg80211-wext.h                   |  20 +-
 net/wireless/scan.c                           |   3 +-
 net/wireless/wext-compat.c                    | 180 ++++++--------
 net/wireless/wext-compat.h                    |   8 +-
 net/wireless/wext-sme.c                       |   5 +-
 18 files changed, 661 insertions(+), 579 deletions(-)

-- 
2.34.1