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tipc: fix shift wrapping bug in map_get()
[ Upstream commite2b224abd9
] There is a shift wrapping bug in this code so anything thing above 31 will return false. Fixes:35c55c9877
("tipc: add neighbor monitoring framework") Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Sasha Levin <sashal@kernel.org>
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1 changed files with 1 additions and 1 deletions
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@ -130,7 +130,7 @@ static void map_set(u64 *up_map, int i, unsigned int v)
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static int map_get(u64 up_map, int i)
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{
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return (up_map & (1 << i)) >> i;
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return (up_map & (1ULL << i)) >> i;
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}
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static struct tipc_peer *peer_prev(struct tipc_peer *peer)
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