linux-kernel - Re: kernel/trace/rv/rv.c:838 rv_register_monitor() warn: inconsistent returns 'global &rv_interface

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Message-ID: <20250331123955.4a3d261c@gandalf.local.home>
Date: Mon, 31 Mar 2025 12:39:55 -0400
From: Steven Rostedt <rostedt@...dmis.org>
To: Dan Carpenter <dan.carpenter@...aro.org>
Cc: oe-kbuild@...ts.linux.dev, Gabriele Monaco <gmonaco@...hat.com>,
 lkp@...el.com, oe-kbuild-all@...ts.linux.dev, linux-kernel@...r.kernel.org,
 Julia Lawall <julia.lawall@...ia.fr>
Subject: Re: kernel/trace/rv/rv.c:838 rv_register_monitor() warn:
 inconsistent returns 'global &rv_interface_lock'.

On Mon, 31 Mar 2025 12:43:54 +0300
Dan Carpenter <dan.carpenter@...aro.org> wrote:

> cb85c660fcd4b3a Gabriele Monaco            2025-03-05  809  	if (p && rv_is_nested_monitor(p)) {
> cb85c660fcd4b3a Gabriele Monaco            2025-03-05  810  		pr_info("Parent monitor %s is already nested, cannot nest further\n",
> cb85c660fcd4b3a Gabriele Monaco            2025-03-05  811  			parent->name);
> cb85c660fcd4b3a Gabriele Monaco            2025-03-05  812  		return -EINVAL;
> 
> mutex_unlock(&rv_interface_lock);

Julia beat you to it ;-)

  https://lore.kernel.org/all/alpine.DEB.2.22.394.2503302037080.23941@hadrien/

-- Steve