linux-kernel - Re: [PATCH V2] staging: vc04_services: handle kzalloc failure

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Message-ID: <80087aaa-eea6-6258-341e-17814a210894@i2se.com>
Date:   Fri, 19 Apr 2019 13:34:01 +0200
From:   Stefan Wahren <stefan.wahren@...e.com>
To:     Nicholas Mc Guire <hofrat@...dl.org>, Eric Anholt <eric@...olt.net>
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Dominic Braun <inf.braun@....de>,
        Tobias Buettner <tobias.buettner@....de>,
        Nicolas Saenz Julienne <nsaenzjulienne@...e.de>,
        Luis Chamberlain <mcgrof@...nel.org>,
        Phil Elwell <phil@...pberrypi.org>,
        linux-rpi-kernel@...ts.infradead.org,
        linux-arm-kernel@...ts.infradead.org, devel@...verdev.osuosl.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH V2] staging: vc04_services: handle kzalloc failure


Am 19.04.19 um 01:31 schrieb Nicholas Mc Guire:
> The kzalloc here was being used without checking the return - if the
> kzalloc fails return VCHIQ_ERROR. The call-site of
> vchiq_platform_init_state() vchiq_init_state() was not responding
> to an allocation failure so checks for != VCHIQ_SUCCESS
> and pass VCHIQ_ERROR up to vchiq_platform_init() which then
> will fail with -EINVAL.
>
> Signed-off-by: Nicholas Mc Guire <hofrat@...dl.org>
> Reported-by: kbuild test robot <lkp@...el.com>
> ---
Acked-By: Stefan Wahren <stefan.wahren@...e.com>