projects / GitHub / moto-9609 / android_kernel_motorola_exynos9610.git / commit
? search:
summary | shortlog | log | commit | commitdiff | tree
(parent: 5d3d9c8) | patch
crypto: sha512-mb - Protect sha512 mb ctx mgr access
authorTim Chen <tim.c.chen@linux.intel.com>
Wed, 1 Feb 2017 18:45:02 +0000 (10:45 -0800)
committerHerbert Xu <herbert@gondor.apana.org.au>
Sat, 11 Feb 2017 09:50:41 +0000 (17:50 +0800)
commitc459bd7beda0295ea67db0ce2004a49addb2f765
treeb9367df4079888e70d00b02f04e530d09c23daeetree | snapshot (tar.gz zip)
parent5d3d9c8bda2c74b13185704e504cdf0aa5210723commit | diff
crypto: sha512-mb - Protect sha512 mb ctx mgr access

The flusher and regular multi-buffer computation via mcryptd may race with another.
Add here a lock and turn off interrupt to to access multi-buffer
computation state cstate->mgr before a round of computation. This should
prevent the flusher code jumping in.

Signed-off-by: Tim Chen <tim.c.chen@linux.intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
arch/x86/crypto/sha512-mb/sha512_mb.c diff | blob | blame | history