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(parent: 77a5fda) | patch
random: make credit_entropy_bits() always safe
authorJason A. Donenfeld <Jason@zx2c4.com>
Fri, 4 Feb 2022 00:45:53 +0000 (01:45 +0100)
committerJason A. Donenfeld <Jason@zx2c4.com>
Sun, 13 Feb 2022 23:46:07 +0000 (00:46 +0100)
commit2c39062594587bba00e634f42ed2410e09cbe5e2
treebc610797b99a3ad92cd21e6ca87f6be0c49c9f44tree
parent77a5fda6165bd15760e1e649fac03fedcad585f5commit | diff
random: make credit_entropy_bits() always safe

This is called from various hwgenerator drivers, so rather than having
one "safe" version for userspace and one "unsafe" version for the
kernel, just make everything safe; the checks are cheap and sensible to
have anyway.

Reported-by: Sultan Alsawaf <sultan@kerneltoast.com>
Reviewed-by: Eric Biggers <ebiggers@google.com>
Reviewed-by: Dominik Brodowski <linux@dominikbrodowski.net>
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
drivers/char/random.c diff | blob | blame | history
Linux 6.x block layer and io_uring tree(s)