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Yury Norov authored
Despite that prev_hop is used conditionally on cur_hop is not the first hop, it's initialized unconditionally. Because initialization implies dereferencing, it might happen that the code dereferences uninitialized memory, which has been spotted by KASAN. Fix it by reorganizing hop_cmp() logic. Reported-by: Bruno Goncalves <bgoncalv@redhat.com> Fixes: cd7f5535 ("sched: add sched_numa_find_nth_cpu()") Signed-off-by: Yury Norov <yury.norov@gmail.com> Link: https://lore.kernel.org/r/Y+7avK6V9SyAWsXi@yury-laptop/Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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