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tipc: potential shift wrapping bug in map_set()

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"up_map" is a u64 type but we're not using the high 32 bits.

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>
This commit is contained in:
Dan Carpenter 2016-06-17 12:22:26 +03:00 committed by David S. Miller
parent 8c0c07a3fc
commit 0350cb48fb
1 changed files with 2 additions and 2 deletions
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4
net/tipc/monitor.c
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@ -122,8 +122,8 @@ static int dom_size(int peers)
static void map_set(u64 *up_map, int i, unsigned int v)
{
*up_map &= ~(1 << i);
*up_map |= (v << i);
*up_map &= ~(1ULL << i);
*up_map |= ((u64)v << i);
}
static int map_get(u64 up_map, int i)