netdev - Re: [PATCH] iwlwifi: pnvm: Fix a memory leak in 'iwl_pnvm_get_from

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Message-ID: <20210903081929.GB1957@kadam>
Date:   Fri, 3 Sep 2021 11:19:29 +0300
From:   Dan Carpenter <dan.carpenter@...cle.com>
To:     Christophe JAILLET <christophe.jaillet@...adoo.fr>
Cc:     luciano.coelho@...el.com, kvalo@...eaurora.org,
        davem@...emloft.net, kuba@...nel.org, johannes.berg@...el.com,
        pierre-louis.bossart@...ux.intel.com, drorx.moshe@...el.com,
        linux-wireless@...r.kernel.org, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org, kernel-janitors@...r.kernel.org
Subject: Re: [PATCH] iwlwifi: pnvm: Fix a memory leak in
 'iwl_pnvm_get_from_fs()'

On Thu, Sep 02, 2021 at 10:38:11PM +0200, Christophe JAILLET wrote:
> A firmware is requested but never released in this function. This leads to
> a memory leak in the normal execution path.
> 
> Add the missing 'release_firmware()' call.
> Also introduce a temp variable (new_len) in order to keep the value of
> 'pnvm->size' after the firmware has been released.
> 
> Fixes: cdda18fbbefa ("iwlwifi: pnvm: move file loading code to a separate function")
> Signed-off-by: Christophe JAILLET <christophe.jaillet@...adoo.fr>

Reviewed-by: Dan Carpenter <dan.carpenter@...cle.com>

regards,
dan carpenter