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Date: Thu, 01 Feb 2018 09:45:31 -0500 (EST) From: David Miller <davem@...emloft.net> To: gustavo@...eddedor.com Cc: hswong3i@...il.com, hlhung3i@...il.com, kuznet@....inr.ac.ru, yoshfuji@...ux-ipv6.org, netdev@...r.kernel.org, linux-kernel@...r.kernel.org, garsilva@...eddedor.com Subject: Re: [PATCH] tcp_lp: use 64-bit arithmetic instead of 32-bit From: "Gustavo A. R. Silva" <gustavo@...eddedor.com> Date: Wed, 31 Jan 2018 18:24:07 -0600 > Cast to s64 some variables and a macro in order to give the > compiler complete information about the proper arithmetic to > use. Notice that these elements are used in contexts that > expect expressions of type s64 (64 bits, signed). > > Currently such expression are being evaluated using 32-bit > arithmetic. > > Addresses-Coverity-ID: 200687 > Addresses-Coverity-ID: 200688 > Addresses-Coverity-ID: 200689 > Signed-off-by: Gustavo A. R. Silva <gustavo@...eddedor.com> Sorry, I'm not applying this, the domain of the input values means that the calculation cannot overflow.
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