From nobody Mon Apr 13 05:39:40 2026 Received: from cstnet.cn (smtp25.cstnet.cn [159.226.251.25]) (using TLSv1.2 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 5A8643446A5; Mon, 9 Mar 2026 08:52:39 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=159.226.251.25 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773046362; cv=none; b=O3zwlnruDtlt+nnubOYbzZX8iUw1IpMHfxd5cuQdiPypX7GQEKZQuqfR2qLY1h/eFQDAEdGxDkZYN0VQn3M7n9syed03RP3QVA5ggxfX/6NQOR9J0fdlgg7EF02CmRawHN1qfo4ve7XKYWkb5Ptri6pahdOE6T5xHYPo8b0j7m0= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773046362; c=relaxed/simple; bh=sUF93EBDGOGMO4hB2ohXq65ZdGM3iI6RilPStFSBYIs=; h=From:To:Cc:Subject:Date:Message-Id:MIME-Version; b=cGw4zhYw5qe4M+l7qimi0iydCTmHgEgHiyLO6ekk14AjGvzKDQYKnvOnsxBUtui+jodAt/+ZKj8xUCDaQRA+RoMtHFxjeKABCheIxo5Tnhq30QtS8b2IV1c0nJE8ow7m/F87MGZh0RBia6VSA+NKTURooYTk4P4ytLLYnEa3Ado= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=isrc.iscas.ac.cn; spf=pass smtp.mailfrom=isrc.iscas.ac.cn; arc=none smtp.client-ip=159.226.251.25 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=isrc.iscas.ac.cn Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=isrc.iscas.ac.cn Received: from localhost.localdomain (unknown [210.73.43.101]) by APP-05 (Coremail) with SMTP id zQCowAC3RgpWiq5pT47xCQ--.45898S2; Mon, 09 Mar 2026 16:52:38 +0800 (CST) From: Pengpeng Hou To: johannes@sipsolutions.net Cc: linux-wireless@vger.kernel.org, linux-kernel@vger.kernel.org, Pengpeng Hou Subject: [PATCH] wifi: cfg80211: scope cfg80211_bss_age() to CONFIG_PM_SLEEP Date: Mon, 9 Mar 2026 08:52:35 +0000 Message-Id: <20260309085235.718880-1-pengpeng.hou@isrc.iscas.ac.cn> X-Mailer: git-send-email 2.25.1 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-CM-TRANSID: zQCowAC3RgpWiq5pT47xCQ--.45898S2 X-Coremail-Antispam: 1UD129KBjvJXoW7CryDKr4kCw48Zw4Utw4fKrg_yoW8Ww13pr 1rWa9rtrZ8Gr1jvr1rWryFkFyDKFs5twn3ZrZYyFyF9anrKr1rtrn8WF13Xry8ArWDXa4r XF1xtrWUurWqqa7anT9S1TB71UUUUU7qnTZGkaVYY2UrUUUUjbIjqfuFe4nvWSU5nxnvy2 9KBjDU0xBIdaVrnRJUUUkS14x267AKxVWUJVW8JwAFc2x0x2IEx4CE42xK8VAvwI8IcIk0 rVWrJVCq3wAFIxvE14AKwVWUJVWUGwA2ocxC64kIII0Yj41l84x0c7CEw4AK67xGY2AK02 1l84ACjcxK6xIIjxv20xvE14v26r1j6r1xM28EF7xvwVC0I7IYx2IY6xkF7I0E14v26r1j 6r4UM28EF7xvwVC2z280aVAFwI0_Jr0_Gr1l84ACjcxK6I8E87Iv6xkF7I0E14v26r4j6r 4UJwAS0I0E0xvYzxvE52x082IY62kv0487Mc02F40EFcxC0VAKzVAqx4xG6I80ewAv7VC0 I7IYx2IY67AKxVWUGVWUXwAv7VC2z280aVAFwI0_Gr0_Cr1lOx8S6xCaFVCjc4AY6r1j6r 4UM4x0Y48IcxkI7VAKI48JM4x0x7Aq67IIx4CEVc8vx2IErcIFxwCY02Avz4vE14v_GFyl 42xK82IYc2Ij64vIr41l4I8I3I0E4IkC6x0Yz7v_Jr0_Gr1lx2IqxVAqx4xG67AKxVWUJV WUGwC20s026x8GjcxK67AKxVWUGVWUWwC2zVAF1VAY17CE14v26r126r1DMIIYrxkI7VAK I48JMIIF0xvE2Ix0cI8IcVAFwI0_Jr0_JF4lIxAIcVC0I7IYx2IY6xkF7I0E14v26r1j6r 4UMIIF0xvE42xK8VAvwI8IcIk0rVWUJVWUCwCI42IY6I8E87Iv67AKxVWUJVW8JwCI42IY 6I8E87Iv6xkF7I0E14v26r4j6r4UJbIYCTnIWIevJa73UjIFyTuYvjfU8NtxDUUUU X-CM-SenderInfo: pshqw1hhqjhx1rx6x21ufox2xfdvhtffof0/ Content-Type: text/plain; charset="utf-8" In current linux.git (1954c4f01220), cfg80211_bss_age() is defined and declared unconditionally. However, its only in-tree caller is within wiphy_resume() in net/wireless/sysfs.c, which is already guarded by #ifdef=20 CONFIG_PM_SLEEP. Match the helper scope to its caller by wrapping the definition in CONFIG_PM_SLEEP and providing a no-op stub in the header. This fixes the config-scope mismatch and avoids unnecessary code inclusion when system sleep support is disabled. Signed-off-by: Pengpeng Hou --- diff --git a/net/wireless/core.h b/net/wireless/core.h --- a/net/wireless/core.h +++ b/net/wireless/core.h @@ =20 void cfg80211_bss_expire(struct cfg80211_registered_device *rdev); +#ifdef CONFIG_PM_SLEEP void cfg80211_bss_age(struct cfg80211_registered_device *rdev, unsigned long age_secs); +#else +static inline void cfg80211_bss_age(struct cfg80211_registered_device *rde= v, + unsigned long age_secs) { } +#endif void cfg80211_update_assoc_bss_entry(struct wireless_dev *wdev, unsigned int link, diff --git a/net/wireless/scan.c b/net/wireless/scan.c --- a/net/wireless/scan.c +++ b/net/wireless/scan.c @@ -void cfg80211_bss_age(struct cfg80211_registered_device *rdev, +#ifdef CONFIG_PM_SLEEP +void cfg80211_bss_age(struct cfg80211_registered_device *rdev, unsigned long age_secs) { struct cfg80211_internal_bss *bss; @@ list_for_each_entry(bss, &rdev->bss_list, list) bss->ts -=3D age_jiffies; spin_unlock_bh(&rdev->bss_lock); } +#endif =20 void cfg80211_bss_expire(struct cfg80211_registered_device *rdev) {