Re: [PATCH net-next] net/mlx5e: Do not use err uninitialized in mlx5e_rep_add_meta_tunnel_rule()

[patchwork-bot+netdevbpf]

Hello:

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

On Thu, 25 Aug 2022 11:06:07 -0700 you wrote:
> Clang warns:
> 
>   drivers/net/ethernet/mellanox/mlx5/core/en_rep.c:481:6: error: variable 'err' is used uninitialized whenever 'if' condition is false [-Werror,-Wsometimes-uninitialized]
>           if (IS_ERR(flow_rule)) {
>               ^~~~~~~~~~~~~~~~~
>   drivers/net/ethernet/mellanox/mlx5/core/en_rep.c:489:9: note: uninitialized use occurs here
>           return err;
>                 ^~~
>   drivers/net/ethernet/mellanox/mlx5/core/en_rep.c:481:2: note: remove the 'if' if its condition is always true
>           if (IS_ERR(flow_rule)) {
>           ^~~~~~~~~~~~~~~~~~~~~~~
>   drivers/net/ethernet/mellanox/mlx5/core/en_rep.c:474:9: note: initialize the variable 'err' to silence this warning
>           int err;
>                 ^
>                   = 0
>   1 error generated.
> 
> [...]

Here is the summary with links:
  - [net-next] net/mlx5e: Do not use err uninitialized in mlx5e_rep_add_meta_tunnel_rule()
    https://git.kernel.org/netdev/net-next/c/92f97c00f0ca

You are awesome, thank you!
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