linux-kernel - Re: [PATCH] cassini: Fix a memory leak in the error handling path of cas_init

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Message-ID: <ZGNedY5UltgPtqjN@corigine.com>
Date:   Tue, 16 May 2023 12:44:05 +0200
From:   Simon Horman <simon.horman@...igine.com>
To:     Christophe JAILLET <christophe.jaillet@...adoo.fr>
Cc:     "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        Jaswinder Singh <jaswinder@...radead.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        linux-kernel@...r.kernel.org, kernel-janitors@...r.kernel.org,
        netdev@...r.kernel.org
Subject: Re: [PATCH] cassini: Fix a memory leak in the error handling path of
 cas_init_one()

On Mon, May 15, 2023 at 09:09:11PM +0200, Christophe JAILLET wrote:
> cas_saturn_firmware_init() allocates some memory using vmalloc(). This
> memory is freed in the .remove() function but not it the error handling
> path of the probe.
> 
> Add the missing vfree() to avoid a memory leak, should an error occur.
> 
> Fixes: fcaa40669cd7 ("cassini: use request_firmware")
> Signed-off-by: Christophe JAILLET <christophe.jaillet@...adoo.fr>

Reviewed-by: Simon Horman <simon.horman@...igine.com>