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 D0997254B1F; Thu, 28 May 2026 20:26:04 +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=1779999965; cv=none; b=ntsl1bUmO9LtLcBSDP191j5qeiaRtr5OK3Iy6yZ96yReM9gh/K34yYcTW7yN2OWcCBq0Fh+Vz3EOdMAE1J7+Lrj022Cuk9ypnxOzSHeQ8Z04D+sy7LAXnAfN4dv7O7tfvvlGNWriLWlNqm5taVEctP3WaBo37DIEtQp7mmvPLGs= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1779999965; c=relaxed/simple; bh=XEnLX9d6WFHor8TYIZa0jMbQC6E3+nxFuqQAPDQOAvA=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=O97OyyA6SbA0tILIjM+Wnu75YKv13iqg5c7YV1c8svw4w+qXVyxRbhCXA0g6TKPH+Z5XHJXt3GZAiQ//D9PlTBAnMRUEun53VjPfllsQFqKXq3pfOqIlfWciUJnSHVEPOroyNBw+SwzUG9bVreRMdnZ6ZI+S2qY21P4S6cRaYJQ= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=Kkgj3KP9; 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="Kkgj3KP9" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 3AA761F00A3A; Thu, 28 May 2026 20:26:04 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linuxfoundation.org; s=korg; t=1779999964; bh=6gzj2s8rVEsU0bI+4K77xtQdtqEADWtyvgA4ypsKxLA=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=Kkgj3KP9xChzpRd3usK72tANPwAs1loqN0vDW+K1VOv3rRI3d2n4S8kl4/NNg39x2 HTH44FP1qNoie5QyUmEgGxM24yVWG35sltrO4g6QLn7kHZWRk4Z8Udv1YMsqJUoXCJ ZOB8/aaFVPkLSpL0RAR4qNlb3HyjBhGcolfHSMlU= 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 6.18 254/377] wifi: ath11k: fix error path leaks in some WMI WOW calls Date: Thu, 28 May 2026 21:48:12 +0200 Message-ID: <20260528194645.729952199@linuxfoundation.org> X-Mailer: git-send-email 2.54.0 In-Reply-To: <20260528194638.371537336@linuxfoundation.org> References: <20260528194638.371537336@linuxfoundation.org> User-Agent: quilt/0.69 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.18-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 110035dae8a61..e1b00dc811e7b 100644 --- a/drivers/net/wireless/ath/ath11k/wmi.c +++ b/drivers/net/wireless/ath/ath11k/wmi.c @@ -9191,6 +9191,7 @@ 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); @@ -9204,14 +9205,20 @@ int ath11k_wmi_wow_host_wakeup_ind(struct ath11k *ar) ath11k_dbg(ar->ab, ATH11K_DBG_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); @@ -9226,7 +9233,13 @@ int ath11k_wmi_wow_enable(struct ath11k *ar) cmd->pause_iface_config = WOW_IFACE_PAUSE_ENABLED; ath11k_dbg(ar->ab, ATH11K_DBG_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; } int ath11k_wmi_scan_prob_req_oui(struct ath11k *ar, -- 2.53.0