From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 8F4F4233D9E; Sat, 30 May 2026 18:20:00 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1780165201; cv=none; b=QzMUwj7ZgPBD1BjR5cELgPVBOO+WpjRBByvZfDQP0BuDhWKDEo4TT+68YQ3KMBMlblL37/0HXJer755rsrDvI2zNRswUcOuU5ipSy7IYFJLsudqzq+P7AlkGg8I44t31IQYuj/qUiQqsgsnXlEumjjGK6xdQ3TUukIDi/pDU5ik= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1780165201; c=relaxed/simple; bh=NCc1sttFqjp6JEFG9npEWL3JgVmbNVMy7L+W8RIr3iA=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=r9wTGuzdlYHh6qX4PlJYnatA+l81gGtMRIU8dFoJrDj4vxKHz+S4Apve/iHbWN6Gvu3+UivszMujTu/aYuQiWzNCH39nxkOoM30wWGbXSky78h7m//UziZSmV9H7+RWlIN4gcU6ZBtJJhCduLA0jLdM3cr9/m01MiC4A7E6zwSI= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=07KUa5Y8; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="07KUa5Y8" Received: by smtp.kernel.org (Postfix) with ESMTPSA id C771D1F00893; Sat, 30 May 2026 18:19:59 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linuxfoundation.org; s=korg; t=1780165200; bh=aonENeR4UBRU0/tk0j2Qp2pF0xfSjCHG0yVKEnIn9mo=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=07KUa5Y8Sl9EWgMdbHRImKJYOyHdV5CrebO5LWsZyztv7HxXrhlTihioD5IyiokXM /NRMloJUCEIwRYXPhqH5aeJFEpDJfQj7GSeUY7VtaE5lRL5AZOhDseSFyhIyBn1fLS /4IvOOnnHU11A0RuFIXKk3F0D06EDewdCLZvOxuc= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Nicolas Escande , Baochen Qiang , Rameshkumar Sundaram , Jeff Johnson , Sasha Levin Subject: [PATCH 5.15 752/776] wifi: ath11k: fix error path leaks in some WMI WOW calls Date: Sat, 30 May 2026 18:07:46 +0200 Message-ID: <20260530160259.194476094@linuxfoundation.org> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260530160240.228940103@linuxfoundation.org> References: <20260530160240.228940103@linuxfoundation.org> User-Agent: quilt/0.69 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 5.15-stable review patch. If anyone has any objections, please let me know. ------------------ From: Nicolas Escande [ Upstream commit 55dda532bbc261aef495e403c8900c5e2ab5fa34 ] Fix two instances where we used to directly return the result of ath11k_wmi_cmd_send(...). Because we did not check the return value, we also did not free the skb in the error path. Fixes: 79802b13a492 ("ath11k: implement WoW enable and wakeup commands") Signed-off-by: Nicolas Escande Reviewed-by: Baochen Qiang Reviewed-by: Rameshkumar Sundaram Link: https://patch.msgid.link/20260506134240.2284016-2-nico.escande@gmail.com Signed-off-by: Jeff Johnson Signed-off-by: Sasha Levin --- drivers/net/wireless/ath/ath11k/wmi.c | 19 ++++++++++++++++--- 1 file changed, 16 insertions(+), 3 deletions(-) diff --git a/drivers/net/wireless/ath/ath11k/wmi.c b/drivers/net/wireless/ath/ath11k/wmi.c index 28b4527b993fe..bacf124eec882 100644 --- a/drivers/net/wireless/ath/ath11k/wmi.c +++ b/drivers/net/wireless/ath/ath11k/wmi.c @@ -7320,6 +7320,7 @@ int ath11k_wmi_wow_host_wakeup_ind(struct ath11k *ar) struct wmi_wow_host_wakeup_ind *cmd; struct sk_buff *skb; size_t len; + int ret; len = sizeof(*cmd); skb = ath11k_wmi_alloc_skb(ar->wmi->wmi_ab, len); @@ -7333,14 +7334,20 @@ int ath11k_wmi_wow_host_wakeup_ind(struct ath11k *ar) ath11k_dbg(ar->ab, ATH11K_DBG_WMI, "wmi tlv wow host wakeup ind\n"); - return ath11k_wmi_cmd_send(ar->wmi, skb, WMI_WOW_HOSTWAKEUP_FROM_SLEEP_CMDID); + ret = ath11k_wmi_cmd_send(ar->wmi, skb, WMI_WOW_HOSTWAKEUP_FROM_SLEEP_CMDID); + if (ret) { + ath11k_warn(ar->ab, "failed to send WMI_WOW_HOSTWAKEUP_FROM_SLEEP_CMDID\n"); + dev_kfree_skb(skb); + } + + return ret; } int ath11k_wmi_wow_enable(struct ath11k *ar) { struct wmi_wow_enable_cmd *cmd; struct sk_buff *skb; - int len; + int ret, len; len = sizeof(*cmd); skb = ath11k_wmi_alloc_skb(ar->wmi->wmi_ab, len); @@ -7355,5 +7362,11 @@ int ath11k_wmi_wow_enable(struct ath11k *ar) cmd->pause_iface_config = WOW_IFACE_PAUSE_ENABLED; ath11k_dbg(ar->ab, ATH11K_DBG_WMI, "wmi tlv wow enable\n"); - return ath11k_wmi_cmd_send(ar->wmi, skb, WMI_WOW_ENABLE_CMDID); + ret = ath11k_wmi_cmd_send(ar->wmi, skb, WMI_WOW_ENABLE_CMDID); + if (ret) { + ath11k_warn(ar->ab, "failed to send WMI_WOW_ENABLE_CMDID\n"); + dev_kfree_skb(skb); + } + + return ret; } -- 2.53.0