linux-kernel - Re: [PATCH] net: ynl: return actual error code in ynl_exec

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Message-ID: <20250926112406.1d92c89d@kernel.org>
Date: Fri, 26 Sep 2025 11:24:06 -0700
From: Jakub Kicinski <kuba@...nel.org>
To: Haofeng Li <920484857@...com>
Cc: Donald Hunter <donald.hunter@...il.com>, netdev@...r.kernel.org,
 linux-kernel@...r.kernel.org, Haofeng Li <13266079573@....com>, Haofeng Li
 <lihaofeng@...inos.cn>
Subject: Re: [PATCH] net: ynl: return actual error code in ynl_exec_dump()

On Fri, 26 Sep 2025 17:58:20 +0800 Haofeng Li wrote:
> Return the real error code 'err' instead of hardcoded -1 in the error
> path of ynl_exec_dump(). This provides better error information to
> callers for debugging and error handling.

Do you have a realistic example that can happen today? This is not
kernel code the error is always -1, and the details are in errno.