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From: Oliver Neukum <oneukum@suse.com>
To: johan@kernel.org, linux-usb@vger.kernel.org
Cc: Oliver Neukum <oneukum@suse.com>
Subject: [PATCH] USB: serial: ch341: GFP_KERNEL in reset_resume()
Date: Wed,  7 Sep 2022 15:20:40 +0200	[thread overview]
Message-ID: <20220907132040.7747-1-oneukum@suse.com> (raw)

All instances of reset_resume() are potential
parts of the block IO path. Use GFP_NOIO.

Signed-off-by: Oliver Neukum <oneukum@suse.com>
---
 drivers/usb/serial/ch341.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/usb/serial/ch341.c b/drivers/usb/serial/ch341.c
index af01a462cc43..3d4f68d58513 100644
--- a/drivers/usb/serial/ch341.c
+++ b/drivers/usb/serial/ch341.c
@@ -137,7 +137,7 @@ static int ch341_control_in(struct usb_device *dev,
 	r = usb_control_msg_recv(dev, 0, request,
 				 USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_IN,
 				 value, index, buf, bufsize, DEFAULT_TIMEOUT,
-				 GFP_KERNEL);
+				 GFP_NOIO);
 	if (r) {
 		dev_err(&dev->dev, "failed to receive control message: %d\n",
 			r);
-- 
2.35.3


             reply	other threads:[~2022-09-07 13:20 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-09-07 13:20 Oliver Neukum [this message]
2022-09-13 12:59 ` [PATCH] USB: serial: ch341: GFP_KERNEL in reset_resume() Johan Hovold

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