linux-kernel - [PATCH v3 0/2] wifi: Fix struct ieee80211_tim_ie::virtual

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Message-ID: <20230831-ieee80211_tim_ie-v3-0-e10ff584ab5d@quicinc.com>
Date:   Thu, 31 Aug 2023 11:22:56 -0700
From:   Jeff Johnson <quic_jjohnson@...cinc.com>
To:     <kernel@...cinc.com>, Kalle Valo <kvalo@...nel.org>,
        Toke Høiland-Jørgensen <toke@...e.dk>,
        "Christian Lamparter" <chunkeey@...glemail.com>,
        Stanislaw Gruszka <stf_xl@...pl>,
        "Helmut Schaa" <helmut.schaa@...glemail.com>,
        Ping-Ke Shih <pkshih@...ltek.com>,
        Johannes Berg <johannes@...solutions.net>,
        "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        Kees Cook <keescook@...omium.org>
CC:     <linux-wireless@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <netdev@...r.kernel.org>, Jeff Johnson <quic_jjohnson@...cinc.com>
Subject: [PATCH v3 0/2] wifi: Fix struct ieee80211_tim_ie::virtual_map

To align with [1] change struct ieee80211_tim_ie::virtual_map to be a
flexible array.

As a precursor, add a size check in a place where one is currently
missing.

[1] https://docs.kernel.org/process/deprecated.html#zero-length-and-one-element-arrays

Signed-off-by: Jeff Johnson <quic_jjohnson@...cinc.com>
---
Changes in v3:
- [PATCH 2/2] mac80211: Use flexible array in struct ieee80211_tim_ie
-     Complete rewrite based upon v2 discussion. As a result no driver changes are required
- Link to v2: https://lore.kernel.org/r/20230829-ieee80211_tim_ie-v2-0-fdaf19fb1c0e@quicinc.com

Changes in v2:
- Cover Letter
-     removed internal note
- [PATCH 2/2] mac80211: Use flexible array in struct ieee80211_tim_ie
-     Fixed typo: s/no/now/
- Link to v1: https://lore.kernel.org/r/20230828-ieee80211_tim_ie-v1-0-6d7a4bab70ef@quicinc.com

---
Jeff Johnson (2):
      wifi: cw1200: Avoid processing an invalid TIM IE
      mac80211: Use flexible array in struct ieee80211_tim_ie

 drivers/net/wireless/st/cw1200/txrx.c |  2 +-
 include/linux/ieee80211.h             | 13 ++++++++++---
 2 files changed, 11 insertions(+), 4 deletions(-)
---
base-commit: b32add2d20ea6e62f30a3c0a7c2fb306ec5ceb3d
change-id: 20230825-ieee80211_tim_ie-0391430af36d