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| author | Chris Zankel <chris@zankel.net> | 2016-01-21 05:16:13 +0000 |
|---|---|---|
| committer | Chris Zankel <chris@zankel.net> | 2016-01-21 05:16:13 +0000 |
| commit | abc6a0eee5b5e3aaaf1d04260e3de3bc5d5c0937 (patch) | |
| tree | e23eae0884d78fba55a41668cf809ae3ecd61159 /crypto/algif_hash.c | |
| parent | fbac254eaaaf03131033caa87420f9af2e273907 (diff) | |
| parent | 874fbf3b2b51ca47c6a69a8e8ec5e8480c492478 (diff) | |
| download | linux-crypto-abc6a0eee5b5e3aaaf1d04260e3de3bc5d5c0937.tar.gz linux-crypto-abc6a0eee5b5e3aaaf1d04260e3de3bc5d5c0937.zip | |
Merge tag 'v4.4'
Linux 4.4
Diffstat (limited to 'crypto/algif_hash.c')
| -rw-r--r-- | crypto/algif_hash.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/crypto/algif_hash.c b/crypto/algif_hash.c index 1396ad07..b4c24fe3 100644 --- a/crypto/algif_hash.c +++ b/crypto/algif_hash.c @@ -181,9 +181,14 @@ static int hash_accept(struct socket *sock, struct socket *newsock, int flags) struct sock *sk2; struct alg_sock *ask2; struct hash_ctx *ctx2; + bool more; int err; - err = crypto_ahash_export(req, state); + lock_sock(sk); + more = ctx->more; + err = more ? crypto_ahash_export(req, state) : 0; + release_sock(sk); + if (err) return err; @@ -194,7 +199,10 @@ static int hash_accept(struct socket *sock, struct socket *newsock, int flags) sk2 = newsock->sk; ask2 = alg_sk(sk2); ctx2 = ask2->private; - ctx2->more = 1; + ctx2->more = more; + + if (!more) + return err; err = crypto_ahash_import(&ctx2->req, state); if (err) { |