cifs: use get_random_u32 for 32-bit lock random
authorJason A. Donenfeld <Jason@zx2c4.com>
Thu, 8 Jun 2017 00:42:50 +0000 (20:42 -0400)
committerTheodore Ts'o <tytso@mit.edu>
Tue, 20 Jun 2017 02:06:28 +0000 (22:06 -0400)
commit51b0817b0d23d51223575eff14629b3602a93cd4
treeff0b22a01ed295f1300e810d0aa915be563319a5
parentda9ba564bd683374b8d319756f312821b8265b06
cifs: use get_random_u32 for 32-bit lock 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 sometimes when this is used.

Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
Cc: Steve French <sfrench@samba.org>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
fs/cifs/cifsfs.c