On Wed, Dec 19, 2018 at 02:45:09PM +0800, YueHaibing wrote:
> gcc warn this:
>
> net/ipv6/xfrm6_tunnel.c:143 __xfrm6_tunnel_alloc_spi() warn:
> always true condition '(spi <= 4294967295) => (0-u32max <= u32max)'
>
> 'spi' is u32, which always not greater than XFRM6_TUNNEL_SPI_MAX
> because of wr
gcc warn this:
net/ipv6/xfrm6_tunnel.c:143 __xfrm6_tunnel_alloc_spi() warn:
always true condition '(spi <= 4294967295) => (0-u32max <= u32max)'
'spi' is u32, which always not greater than XFRM6_TUNNEL_SPI_MAX
because of wrap around. So the second forloop will never reach.
Signed-off-by: YueHaib
