linux-kernel - [PATCH 2/2] dmaengine: imx-sdma: request firmware with FW_OPT_NO

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:   Fri, 22 Jun 2018 16:49:51 +0200
From:   Sebastian Reichel <sebastian.reichel@...labora.co.uk>
To:     "Luis R. Rodriguez" <mcgrof@...nel.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Dan Williams <dan.j.williams@...el.com>,
        Vinod Koul <vkoul@...nel.org>
Cc:     dmaengine@...r.kernel.org, linux-kernel@...r.kernel.org,
        Rafał Miłecki <rafal@...ecki.pl>,
        Sebastian Reichel <sebastian.reichel@...labora.co.uk>
Subject: [PATCH 2/2] dmaengine: imx-sdma: request firmware with FW_OPT_NO_WARN

Request firmware with FW_OPT_NO_WARN. The driver works without the
firmware by using the one supplied in ROM. There is already an info
message, that informs about this.

Signed-off-by: Sebastian Reichel <sebastian.reichel@...labora.co.uk>
---
 drivers/dma/imx-sdma.c | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/drivers/dma/imx-sdma.c b/drivers/dma/imx-sdma.c
index f077992635c2..415ffe68ff77 100644
--- a/drivers/dma/imx-sdma.c
+++ b/drivers/dma/imx-sdma.c
@@ -1599,11 +1599,13 @@ static int sdma_event_remap(struct sdma_engine *sdma)
 static int sdma_get_firmware(struct sdma_engine *sdma,
 		const char *fw_name)
 {
+	struct firmware_opts fw_opts = {
+		.optional = true,
+	};
 	int ret;
 
-	ret = request_firmware_nowait(THIS_MODULE,
-			FW_ACTION_HOTPLUG, fw_name, sdma->dev,
-			GFP_KERNEL, sdma, sdma_load_firmware);
+	ret = request_firmware_async(fw_name, &fw_opts, sdma->dev,
+				     sdma, sdma_load_firmware);
 
 	return ret;
 }
-- 
2.17.1