Re: [PATCH net] ch9200: return error on failed register writes in ch9200_bind()
flat view
From: Andrew Lunn <andrew@lunn.ch>
Date: 2026-09-15 15:25:47
Also in:
linux-usb, lkml
On Mon, Sep 14, 2026 at 11:25:02PM +0300, Sergey Shtylyov wrote:
The successful register writes, done via the USB control requests in
control_write(), seem vital for the normal functioning of the device,
however the driver's bind() method ignores error codes returned from
control_write(). Do bail out of ch9200_bind() on failed writes...
Found by Linux Verification Center (linuxtesting.org) with the Svace
static analysis tool.
Fixes: 4a476bd6d1d9 ("usbnet: New driver for QinHeng CH9200 devices")
Signed-off-by: Sergey Shtylyov <redacted>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Andrew