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Date:   Wed, 20 Nov 2019 11:52:29 +0100
From:   Christian Brauner <christian.brauner@ubuntu.com>
To:     Luc Van Oostenryck <luc.vanoostenryck@gmail.com>
Cc:     linux-kernel@vger.kernel.org, stable@vger.kernel.org,
        Joel Fernandes <joel@joelfernandes.org>,
        Christian Brauner <christian@brauner.io>
Subject: Re: [PATCH v2] fork: fix pidfd_poll()'s return type
Message-ID: <20191120105227.uln6z5d67ita3edj@wittgenstein>
References: <20191120002145.skgtkx2f5dxagx4f@wittgenstein>
 <20191120003320.31138-1-luc.vanoostenryck@gmail.com>
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On Wed, Nov 20, 2019 at 01:33:20AM +0100, Luc Van Oostenryck wrote:
> pidfd_poll() is defined as returning 'unsigned int' but the
> .poll method is declared as returning '__poll_t', a bitwise type.
> 
> Fix this by using the proper return type and using the EPOLL
> constants instead of the POLL ones, as required for __poll_t.
> 
> Fixes: b53b0b9d9a61 ("pidfd: add polling support")
> Cc: Joel Fernandes (Google) <joel@joelfernandes.org>
> Cc: Christian Brauner <christian@brauner.io>
> Cc: stable@vger.kernel.org # 5.3
> Signed-off-by: Luc Van Oostenryck <luc.vanoostenryck@gmail.com>
> Reviewed-by: Christian Brauner <christian.brauner@ubuntu.com>

Applied to
https://git.kernel.org/pub/scm/linux/kernel/git/brauner/linux.git/log/?h=fixes

Will likely send this as a fix for v5.4 still so stable only has to
backport this to 5.3 and not 5.4 too.

Thanks!
Christian