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USB: serial: bus: fix const issue in usb_serial_device_match()

Message ID 2025052133-recreate-attitude-c564@gregkh
State New
Headers show
Series USB: serial: bus: fix const issue in usb_serial_device_match() | expand

Commit Message

Greg Kroah-Hartman May 21, 2025, 1:41 p.m. UTC
usb_serial_device_match() takes a const pointer, and then decides to
cast it away into a non-const one, which is not a good thing to do
overall.  Fix this up by properly setting the pointers to be const to
preserve that attribute.

Cc: Johan Hovold <johan@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 drivers/usb/serial/bus.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

diff --git a/drivers/usb/serial/bus.c b/drivers/usb/serial/bus.c
index 2fea1b1db4a2..9e2a18c0b218 100644
--- a/drivers/usb/serial/bus.c
+++ b/drivers/usb/serial/bus.c
@@ -17,7 +17,7 @@  static int usb_serial_device_match(struct device *dev,
 				   const struct device_driver *drv)
 {
 	const struct usb_serial_port *port = to_usb_serial_port(dev);
-	struct usb_serial_driver *driver = to_usb_serial_driver(drv);
+	const struct usb_serial_driver *driver = to_usb_serial_driver(drv);
 
 	/*
 	 * drivers are already assigned to ports in serial_probe so it's