spectrum: acl_tcam: Fix catchall prio value
authorJiri Pirko <jiri@mellanox.com>
Tue, 7 Feb 2017 16:27:47 +0000 (17:27 +0100)
committerDavid S. Miller <davem@davemloft.net>
Tue, 7 Feb 2017 19:15:21 +0000 (14:15 -0500)
This fixes an issue reported by smatch:
mlxsw_sp_acl_tcam_chunk_create() warn: impossible condition '(priority == (-1)) => (0-u32max == u64max)'

Reported-by: Or Gerlitz <ogerlitz@mellanox.com>
Reported-by: Ido Schimmel <idosch@mellanox.com>
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Fixes: 22a677661f56 ("mlxsw: spectrum: Introduce ACL core with simple TCAM implementation")
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Acked-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/net/ethernet/mellanox/mlxsw/spectrum_acl_tcam.c

index a0a968e47ae69bfdd112df054f9cb6e9f587bc5d..7382832215faa0d2211625a53ee6d7f328686ba2 100644 (file)
@@ -561,7 +561,7 @@ mlxsw_sp_acl_tcam_region_entry_remove(struct mlxsw_sp *mlxsw_sp,
        mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(ptce2), ptce2_pl);
 }
 
-#define MLXSW_SP_ACL_TCAM_CATCHALL_PRIO (-1UL)
+#define MLXSW_SP_ACL_TCAM_CATCHALL_PRIO (~0U)
 
 static int
 mlxsw_sp_acl_tcam_region_catchall_add(struct mlxsw_sp *mlxsw_sp,