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authorDan Carpenter <dan.carpenter@oracle.com>2022-08-31 17:47:56 +0300
committerDavid S. Miller <davem@davemloft.net>2022-09-02 12:26:29 +0100
commite2b224abd9bf45dcb55750479fc35970725a430b (patch)
tree95baef52756e8263f819eb01816387a4f22ad32e /net/tipc
parent9efd23297cca530bb35e1848665805d3fcdd7889 (diff)
tipc: fix shift wrapping bug in map_get()
There is a shift wrapping bug in this code so anything thing above 31 will return false. Fixes: 35c55c9877f8 ("tipc: add neighbor monitoring framework") Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/tipc')
-rw-r--r--net/tipc/monitor.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/net/tipc/monitor.c b/net/tipc/monitor.c
index 2f4d23238a7e..9618e4429f0f 100644
--- a/net/tipc/monitor.c
+++ b/net/tipc/monitor.c
@@ -160,7 +160,7 @@ static void map_set(u64 *up_map, int i, unsigned int v)
static int map_get(u64 up_map, int i)
{
- return (up_map & (1 << i)) >> i;
+ return (up_map & (1ULL << i)) >> i;
}
static struct tipc_peer *peer_prev(struct tipc_peer *peer)