lib: memzero_explicit: add comment for its usage
authorDaniel Borkmann <dborkman@redhat.com>
Mon, 5 Jan 2015 23:27:45 +0000 (00:27 +0100)
committerHerbert Xu <herbert@gondor.apana.org.au>
Thu, 8 Jan 2015 10:46:19 +0000 (21:46 +1100)
commit8155330aad477c5b1337895a6922df76817f0874
treec71de980f54183c5472fe62357b6276c56d3152a
parentad511e260a27b8e35d273cc0ecfe5a8ff9543181
lib: memzero_explicit: add comment for its usage

Lets improve the comment to add a note on when to use memzero_explicit()
for those not digging through the git logs. We don't want people to
pollute places with memzero_explicit() where it's not really necessary.

Reference: https://lkml.org/lkml/2015/1/4/190
Suggested-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Daniel Borkmann <dborkman@redhat.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
lib/string.c