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Message-ID: <172565841388.2236408.1589932943840066610.robh@kernel.org> Date: Fri, 6 Sep 2024 16:34:14 -0500 From: "Rob Herring (Arm)" <robh@...nel.org> To: Thomas Weißschuh <thomas.weissschuh@...utronix.de> Cc: devicetree@...r.kernel.org, linux-kernel@...r.kernel.org, Saravana Kannan <saravanak@...gle.com> Subject: Re: [PATCH] of: address: Unify resource bounds overflow checking On Fri, 06 Sep 2024 14:25:19 +0200, Thomas Weißschuh wrote: > The members "start" and "end" of struct resource are of type > "resource_size_t" which can be 32bit wide. > Values read from OF however are always 64bit wide. > > Refactor the diff overflow checks into a helper function. > Also extend the checks to validate each calculation step. > > Signed-off-by: Thomas Weißschuh <thomas.weissschuh@...utronix.de> > --- > drivers/of/address.c | 45 ++++++++++++++++++++++++++------------------- > 1 file changed, 26 insertions(+), 19 deletions(-) > Applied, thanks!
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