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 02ED02F2346; Tue, 17 Jun 2025 15:56:20 +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=1750175781; cv=none; b=fUOmHLhTdLKVby8gz/yqlKI7cnbnFv1WNUpYgkYTlcU0WNRvHpQzixKb93VlpuxGirZM8B+Y9t3WAycVlrWPQB1P5cd8taCtsDB88PodCcGZnGd0xhZCKpeVwYG26CnbqUfNmgbUcBLorJOwq4wOrnluzoToxgQP+oUz64LNrPA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1750175781; c=relaxed/simple; bh=ExiweYiQFMMI3rER9WynF1nkkjKyKNgZJn3W6hNMSew=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=UH3OEq+VZOwp6qnWrHcHJyuahcRlkT7tkDoDnkM/ms9oa9a9i2S/SBNB+z1fNviAkBpl9DXmuzl/zlrr8IeBf36Z/jN/l4ddgZ0CdLEB7B1sAn7sYFO2/FsniSL1wG6hedxt9kOhVLpcbhYYmsvlO94G2NXCYQFGbgiSmirsRM8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=PX8ZzQBQ; 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="PX8ZzQBQ" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 87313C4CEE3; Tue, 17 Jun 2025 15:56:20 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1750175780; bh=ExiweYiQFMMI3rER9WynF1nkkjKyKNgZJn3W6hNMSew=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=PX8ZzQBQvdgAnEeN7X0EMG2JVxbiJkCwYTpZ9dtayZX/uw/LAPLqVVS7NRCNq8ebV NRh5kt0ik1v221vt4o2Ev6HUJJ8+XtMGXLpocF+dC1pVquhbyWLzDy2l4gw2ZsnKXU /+f1NGtefoOQrkLbN5LMT2u4TC9pa6PNmm32Rka0= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Dan Carpenter , Bjorn Andersson , Sasha Levin Subject: [PATCH 6.6 212/356] rpmsg: qcom_smd: Fix uninitialized return variable in __qcom_smd_send() Date: Tue, 17 Jun 2025 17:25:27 +0200 Message-ID: <20250617152346.745359339@linuxfoundation.org> X-Mailer: git-send-email 2.49.0 In-Reply-To: <20250617152338.212798615@linuxfoundation.org> References: <20250617152338.212798615@linuxfoundation.org> User-Agent: quilt/0.68 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 6.6-stable review patch. If anyone has any objections, please let me know. ------------------ From: Dan Carpenter [ Upstream commit 5de775df3362090a6e90046d1f2d83fe62489aa0 ] The "ret" variable isn't initialized if we don't enter the loop. For example, if "channel->state" is not SMD_CHANNEL_OPENED. Fixes: 33e3820dda88 ("rpmsg: smd: Use spinlock in tx path") Signed-off-by: Dan Carpenter Link: https://lore.kernel.org/r/aAkhvV0nSbrsef1P@stanley.mountain Signed-off-by: Bjorn Andersson Signed-off-by: Sasha Levin --- drivers/rpmsg/qcom_smd.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/rpmsg/qcom_smd.c b/drivers/rpmsg/qcom_smd.c index 43f601c84b4fc..79d35ab43729e 100644 --- a/drivers/rpmsg/qcom_smd.c +++ b/drivers/rpmsg/qcom_smd.c @@ -746,7 +746,7 @@ static int __qcom_smd_send(struct qcom_smd_channel *channel, const void *data, __le32 hdr[5] = { cpu_to_le32(len), }; int tlen = sizeof(hdr) + len; unsigned long flags; - int ret; + int ret = 0; /* Word aligned channels only accept word size aligned data */ if (channel->info_word && len % 4) -- 2.39.5