random: Add a urandom_read_nowait() for random APIs that don't warn
/dev/random and getrandom() never warn. Split the meat of urandom_read() into urandom_read_nowarn() and leave the warning code in urandom_read(). This has no effect on kernel behavior, but it makes subsequent patches more straightforward. It also makes the fact that getrandom() never warns more obvious. Signed-off-by:Andy Lutomirski <luto@kernel.org> Link: https://lore.kernel.org/r/c87ab200588de746431d9f916501ef11e5242b13.1577088521.git.luto@kernel.org Signed-off-by:
Theodore Ts'o <tytso@mit.edu>
parent
4c8d0621
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