]> git.baikalelectronics.ru Git - kernel.git/commit
projects / kernel.git / commit
? search:
summary | shortlog | log | commit | commitdiff | tree
(parent: 05a1b76) | patch
random: fix locking for crng_init in crng_reseed()
authorDominik Brodowski <linux@dominikbrodowski.net>
Wed, 9 Feb 2022 18:57:06 +0000 (19:57 +0100)
committerJason A. Donenfeld <Jason@zx2c4.com>
Mon, 21 Feb 2022 20:14:00 +0000 (21:14 +0100)
commit6c1eeb80c8300144afdd79f114cd8b1f6be00024
tree158902b21e512d00d2f13d58367e8e37a1384e5btree | snapshot
parent05a1b76d06419da7c50daf35528cdd9e10d82e90commit | diff
random: fix locking for crng_init in crng_reseed()

crng_init is protected by primary_crng->lock. Therefore, we need
to hold this lock when increasing crng_init to 2. As we shouldn't
hold this lock for too long, only hold it for those parts which
require protection.

Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
Reviewed-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
drivers/char/random.c diff | blob | history
Linux Kernel Source Tree.