From: Hauke Mehrtens <hauke.mehrtens@xxxxxxxxx>
Date: Fri, 15 Feb 2019 17:58:54 +0100
> The features attribute is of type u64 and stored in the native endianes on
> the system. The for_each_set_bit() macro takes a pointer to a 32 bit array
> and goes over the bits in this area. On little Endian systems this also
> works with an u64 as the most significant bit is on the highest address,
> but on big endian the words are swapped. When we expect bit 15 here we get
> bit 47 (15 + 32).
>
> This patch converts it more or less to its own for_each_set_bit()
> implementation which works on 64 bit integers directly. This is then
> completely in host endianness and should work like expected.
>
> Fixes: fd867d51f ("net/core: generic support for disabling netdev features down stack")
> Cc: stable@xxxxxxxxxxxxxxx
> Signed-off-by: Hauke Mehrtens <hauke.mehrtens@xxxxxxxxx>
Applied and queued up for -stable.
Please do not CC: stable for networking fixes, I handle -stable submissions
myself manually and this is documented in the netdev FAQ.
