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Open Source and information security mailing list archives
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Date: Sat, 12 Dec 2020 21:14:01 -0800 From: Stephen Boyd <sboyd@...nel.org> To: Florian Fainelli <f.fainelli@...il.com>, Nicolas Saenz Julienne <nsaenzjulienne@...e.de>, Ray Jui <rjui@...adcom.com>, Scott Branden <sbranden@...adcom.com>, bcm-kernel-feedback-list@...adcom.com, linux-kernel@...r.kernel.org, u.kleine-koenig@...gutronix.de Cc: linux-pwm@...r.kernel.org, linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org, wahrenst@....net, linux-input@...r.kernel.org, dmitry.torokhov@...il.com, gregkh@...uxfoundation.org, devel@...verdev.osuosl.org, p.zabel@...gutronix.de, linux-gpio@...r.kernel.org, linus.walleij@...aro.org, linux-clk@...r.kernel.org, linux-rpi-kernel@...ts.infradead.org, bgolaszewski@...libre.com, andy.shevchenko@...il.com Subject: Re: [PATCH v6 01/11] firmware: raspberrypi: Keep count of all consumers Quoting Nicolas Saenz Julienne (2020-12-11 08:47:50) > When unbinding the firmware device we need to make sure it has no > consumers left. Otherwise we'd leave them with a firmware handle > pointing at freed memory. > > Keep a reference count of all consumers and introduce rpi_firmware_put() > which will permit automatically decrease the reference count upon > unbinding consumer drivers. > > Suggested-by: Uwe Kleine-König <u.kleine-koenig@...gutronix.de> > Signed-off-by: Nicolas Saenz Julienne <nsaenzjulienne@...e.de> > Reviewed-by: Florian Fainelli <f.fainelli@...il.com> > > --- Reviewed-by: Stephen Boyd <sboyd@...nel.org>
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