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| author | James Morris <james.l.morris@oracle.com> | 2017-11-29 12:47:41 +1100 |
|---|---|---|
| committer | James Morris <james.l.morris@oracle.com> | 2017-11-29 12:47:41 +1100 |
| commit | a43a1243adfa8cc682fd4dacab89910865c28031 (patch) | |
| tree | 7aef00d973ddaeace8916dca0d2a5b5b33cd28de /crypto/chacha20_generic.c | |
| parent | f960b5ebd9ed09bc12e10c712bce82ab58ef0435 (diff) | |
| parent | 65cb3654889e0b748abc7756260ca267705aee14 (diff) | |
| download | linux-crypto-a43a1243adfa8cc682fd4dacab89910865c28031.tar.gz linux-crypto-a43a1243adfa8cc682fd4dacab89910865c28031.zip | |
Merge tag 'v4.15-rc1' into next-seccomp
Linux 4.15-rc1
Diffstat (limited to 'crypto/chacha20_generic.c')
| -rw-r--r-- | crypto/chacha20_generic.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/crypto/chacha20_generic.c b/crypto/chacha20_generic.c index 8b3c04d6..4a45fa48 100644 --- a/crypto/chacha20_generic.c +++ b/crypto/chacha20_generic.c @@ -91,9 +91,14 @@ int crypto_chacha20_crypt(struct skcipher_request *req) crypto_chacha20_init(state, ctx, walk.iv); while (walk.nbytes > 0) { + unsigned int nbytes = walk.nbytes; + + if (nbytes < walk.total) + nbytes = round_down(nbytes, walk.stride); + chacha20_docrypt(state, walk.dst.virt.addr, walk.src.virt.addr, - walk.nbytes); - err = skcipher_walk_done(&walk, 0); + nbytes); + err = skcipher_walk_done(&walk, walk.nbytes - nbytes); } return err; |