From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 0F34F158211; Tue, 23 Jul 2024 18:42:23 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1721760143; cv=none; b=Hh+6pNm44TnKAY+U+EKgJ4bYjPA0IuJf3bO13HfFXBzsw1l4UH9VhD5BJIp39rt2NkZyrMbES9x3G5W+1w8o40Gq/2oyB4xDeXVHLscb0fwfyQrD9IogLtAGDYQ2nLNE9DJ6rAEI5FT4clwrdyq19vcpJawHFAxQMMRnVQwhSXU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1721760143; c=relaxed/simple; bh=SyHGg2pHXrZ8oQ045QrH/XNtloxJCXM+XncNaBKXM+A=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=Grw2Vdzi2mh03T6cNpFrJEvpmFvUoY3RF7JnQ8NbnpVjpar5TfYVHA08DqLf2wHXvre4kLIHsfmpQ4ui6Goq8qBJ15B6Lf1QFr4li3MtJv7kt4iUo+FKUK8IcI3Tm78DH526u2JJBV/+6Fkb0eqSm1ReTE8fLqapbDAW286mmrQ= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=iUPPjfHt; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="iUPPjfHt" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 7A731C4AF09; Tue, 23 Jul 2024 18:42:22 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1721760142; bh=SyHGg2pHXrZ8oQ045QrH/XNtloxJCXM+XncNaBKXM+A=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=iUPPjfHtFCKtYVOCz65EZCtlUcSA8nZmC2f8U8nFyc/4OVZJFzQTgO4Ox2hRo6Uqr unEusG1B9kmO7w2iOYzAADGtxzE6X+9RzH86VjzNLBjmqc1dxFywpg5yqdzeCS9Vot WFDoL6QSxHPEID7ZVXbXr2hZYriB8YfG2qHUUNiA= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Takashi Iwai , Sasha Levin Subject: [PATCH 6.9 117/163] ALSA: PCM: Allow resume only for suspended streams Date: Tue, 23 Jul 2024 20:24:06 +0200 Message-ID: <20240723180147.994909668@linuxfoundation.org> X-Mailer: git-send-email 2.45.2 In-Reply-To: <20240723180143.461739294@linuxfoundation.org> References: <20240723180143.461739294@linuxfoundation.org> User-Agent: quilt/0.67 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 6.9-stable review patch. If anyone has any objections, please let me know. ------------------ From: Takashi Iwai [ Upstream commit 1225675ca74c746f09211528588e83b3def1ff6a ] snd_pcm_resume() should bail out if the stream isn't in a suspended state. Otherwise it'd allow doubly resume. Link: https://patch.msgid.link/20240624125443.27808-1-tiwai@suse.de Signed-off-by: Takashi Iwai Signed-off-by: Sasha Levin --- sound/core/pcm_native.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/sound/core/pcm_native.c b/sound/core/pcm_native.c index 0b76e76823d28..353ecd960a1f5 100644 --- a/sound/core/pcm_native.c +++ b/sound/core/pcm_native.c @@ -1775,6 +1775,8 @@ static int snd_pcm_pre_resume(struct snd_pcm_substream *substream, snd_pcm_state_t state) { struct snd_pcm_runtime *runtime = substream->runtime; + if (runtime->state != SNDRV_PCM_STATE_SUSPENDED) + return -EBADFD; if (!(runtime->info & SNDRV_PCM_INFO_RESUME)) return -ENOSYS; runtime->trigger_master = substream; -- 2.43.0