Re: [PATCH] tracing: Fix missing errno when zero parser->idx in trace_pid_write

On Thu, 28 Aug 2025 10:02:54 +0800
Pu Lehui [off-list ref] wrote:

On 2025/8/21 15:17, Pu Lehui wrote:

quoted

From: Pu Lehui <pulehui@huawei.com>

When trace_get_user in trace_pid_write parses an only space, the
!trace_parser_loaded branch will break with no errno, causing
tr->filtered_pids to still be assigned with pid_list, which may trigger
potential problems.  

Gentle ping~

Hi all, Is this commit looks proper?

It's in the queue to be looked at:

  https://patchwork.kernel.org/project/linux-trace-kernel/list/

-- Steve