Subject: Re: [PATCH] net: usb: dm9601: fix wrong return value in dm9601_mdio_read

From: [email-masked]
Date: Wed, 28 Feb 2024 03:20:31 +0000

Hello:

This patch was applied to netdev/net.git (main)
by Jakub Kicinski <[email-masked]>:

On Sun, 25 Feb 2024 00:20:06 +0100 you wrote:
> The MII code does not check the return value of mdio_read (among
> others), and therefore no error code should be sent. A previous fix to
> the use of an uninitialized variable propagates negative error codes,
> that might lead to wrong operations by the MII library.
> 
> An example of such issues is the use of mii_nway_restart by the dm9601
> driver. The mii_nway_restart function does not check the value returned
> by mdio_read, which in this case might be a negative number which could
> contain the exact bit the function checks (BMCR_ANENABLE = 0x1000).
> 
> [...]

Here is the summary with links:
  - net: usb: dm9601: fix wrong return value in dm9601_mdio_read
    https://git.kernel.org/netdev/net/c/c68b2c9eba38

You are awesome, thank you!
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