net/neighbor: use get_random_u32 for 32-bit hash random
authorJason A. Donenfeld <Jason@zx2c4.com>
Thu, 8 Jun 2017 03:00:05 +0000 (23:00 -0400)
committerTheodore Ts'o <tytso@mit.edu>
Tue, 20 Jun 2017 02:06:28 +0000 (22:06 -0400)
commitb3d0f7895d1251f0af0dd38410e7be3e52be4a1d
tree7e9ba2352f0e817bafaad6bf63fa19edaac55bfa
parentd48ad080ec0101c2cca92926bed64993ab565c3d
net/neighbor: use get_random_u32 for 32-bit hash random

Using get_random_u32 here is faster, more fitting of the use case, and
just as cryptographically secure. It also has the benefit of providing
better randomness at early boot, which is when many of these structures
are assigned.

Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
Cc: David Miller <davem@davemloft.net>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
net/core/neighbour.c