linux-kernel - Re: [PATCH] libbpf: Initialize err in probe_map

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Date:   Thu, 04 Aug 2022 21:50:14 +0000
From:   patchwork-bot+netdevbpf@...nel.org
To:     Florian Fainelli <f.fainelli@...il.com>
Cc:     bpf@...r.kernel.org, andrii@...nel.org, ast@...nel.org,
        daniel@...earbox.net, martin.lau@...ux.dev, song@...nel.org,
        yhs@...com, john.fastabend@...il.com, kpsingh@...nel.org,
        sdf@...gle.com, haoluo@...gle.com, jolsa@...nel.org,
        davemarchevsky@...com, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] libbpf: Initialize err in probe_map_create

Hello:

This patch was applied to bpf/bpf-next.git (master)
by Andrii Nakryiko <andrii@...nel.org>:

On Sun, 31 Jul 2022 19:51:09 -0700 you wrote:
> GCC-11 warns about the possibly unitialized err variable in
> probe_map_create:
> 
> libbpf_probes.c: In function 'probe_map_create':
> libbpf_probes.c:361:38: error: 'err' may be used uninitialized in this function [-Werror=maybe-uninitialized]
>   361 |                 return fd < 0 && err == exp_err ? 1 : 0;
>       |                                  ~~~~^~~~~~~~~~
> 
> [...]

Here is the summary with links:
  - libbpf: Initialize err in probe_map_create
    https://git.kernel.org/bpf/bpf-next/c/3045f42a6432

You are awesome, thank you!
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