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 27FB5FBE7 for ; Mon, 15 May 2023 17:21:23 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 8952FC433D2; Mon, 15 May 2023 17:21:22 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1684171283; bh=c/O0qV31ZKfDuQtGjvdPfrfaJpo9rVqHAzIqawCN0mY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=JfyHlN/LpWadGNfIyo9Q4G3Y50zyoxpRlw/49gweYhZ3BrsAm2DZAqpUcCJU0/Qr4 uwr/2yAqqitb9fhZ+h5S4bAZD/uvF9re4jiqJ/bKKysJ/mHWD40eDB8kRRWcpq7262 aZdHNjUIBlO4Y0LWJ+6OyWhM7zWEyDov6vRtB+i4= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Mathieu Poirier , Arnaud Pouliquen Subject: [PATCH 6.2 159/242] remoteproc: st: Call of_node_put() on iteration error Date: Mon, 15 May 2023 18:28:05 +0200 Message-Id: <20230515161726.656869691@linuxfoundation.org> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20230515161721.802179972@linuxfoundation.org> References: <20230515161721.802179972@linuxfoundation.org> User-Agent: quilt/0.67 Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit From: Mathieu Poirier commit 8a74918948b40317a5b5bab9739d13dcb5de2784 upstream. Function of_phandle_iterator_next() calls of_node_put() on the last device_node it iterated over, but when the loop exits prematurely it has to be called explicitly. Fixes: 3df52ed7f269 ("remoteproc: st: add reserved memory support") Cc: stable@vger.kernel.org Signed-off-by: Mathieu Poirier Reviewed-by: Arnaud Pouliquen Link: https://lore.kernel.org/r/20230320221826.2728078-3-mathieu.poirier@linaro.org Signed-off-by: Mathieu Poirier Signed-off-by: Greg Kroah-Hartman --- drivers/remoteproc/st_remoteproc.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) --- a/drivers/remoteproc/st_remoteproc.c +++ b/drivers/remoteproc/st_remoteproc.c @@ -129,6 +129,7 @@ static int st_rproc_parse_fw(struct rpro while (of_phandle_iterator_next(&it) == 0) { rmem = of_reserved_mem_lookup(it.node); if (!rmem) { + of_node_put(it.node); dev_err(dev, "unable to acquire memory-region\n"); return -EINVAL; } @@ -150,8 +151,10 @@ static int st_rproc_parse_fw(struct rpro it.node->name); } - if (!mem) + if (!mem) { + of_node_put(it.node); return -ENOMEM; + } rproc_add_carveout(rproc, mem); index++;