Re: [PATCH net] ethtool: ioctl: fix potential NULL deref in ethtool_set_coalesce()

From: patchwork-bot+netdevbpf
Date: Fri Nov 26 2021 - 14:47:48 EST


Hello:

This patch was applied to netdev/net.git (master)
by Jakub Kicinski <kuba@xxxxxxxxxx>:

On Fri, 26 Nov 2021 18:55:43 +0100 you wrote:
> ethtool_set_coalesce() now uses both the .get_coalesce() and
> .set_coalesce() callbacks. But the check for their availability is
> buggy, so changing the coalesce settings on a device where the driver
> provides only _one_ of the callbacks results in a NULL pointer
> dereference instead of an -EOPNOTSUPP.
>
> Fix the condition so that the availability of both callbacks is
> ensured. This also matches the netlink code.
>
> [...]

Here is the summary with links:
- [net] ethtool: ioctl: fix potential NULL deref in ethtool_set_coalesce()
https://git.kernel.org/netdev/net/c/0276af2176c7

You are awesome, thank you!
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