Re: [PATCH v3 net] net/mlx5: DR, prevent potential error pointer dereference

[patchwork-bot+netdevbpf]

Hello:

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

On Wed, 4 Dec 2024 15:06:41 +0300 you wrote:
> The dr_domain_add_vport_cap() function generally returns NULL on error
> but sometimes we want it to return ERR_PTR(-EBUSY) so the caller can
> retry.  The problem here is that "ret" can be either -EBUSY or -ENOMEM
> and if it's and -ENOMEM then the error pointer is propogated back and
> eventually dereferenced in dr_ste_v0_build_src_gvmi_qpn_tag().
> 
> Fixes: 11a45def2e19 ("net/mlx5: DR, Add support for SF vports")
> Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
> 
> [...]

Here is the summary with links:
  - [v3,net] net/mlx5: DR, prevent potential error pointer dereference
    https://git.kernel.org/netdev/net/c/11776cff0b56

You are awesome, thank you!
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