aboutsummaryrefslogtreecommitdiffstats
path: root/crypto/algapi.c
diff options
context:
space:
mode:
authorDavid S. Miller <davem@davemloft.net>2018-01-17 00:00:25 -0500
committerDavid S. Miller <davem@davemloft.net>2018-01-17 00:10:42 -0500
commitc02b3741eb99a1ec733e6134c53ba59e43e19e97 (patch)
treeff7dd96c32dec2abe530e7101378443dabcb8962 /crypto/algapi.c
parent7018d1b3f20fb4308ed9bc577160cb8ffb79b62a (diff)
parent8cbab92dff778e516064c13113ca15d4869ec883 (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Overlapping changes all over. The mini-qdisc bits were a little bit tricky, however. Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'crypto/algapi.c')
-rw-r--r--crypto/algapi.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/crypto/algapi.c b/crypto/algapi.c
index 60d7366ed343..9a636f961572 100644
--- a/crypto/algapi.c
+++ b/crypto/algapi.c
@@ -167,6 +167,18 @@ void crypto_remove_spawns(struct crypto_alg *alg, struct list_head *list,
167 167
168 spawn->alg = NULL; 168 spawn->alg = NULL;
169 spawns = &inst->alg.cra_users; 169 spawns = &inst->alg.cra_users;
170
171 /*
172 * We may encounter an unregistered instance here, since
173 * an instance's spawns are set up prior to the instance
174 * being registered. An unregistered instance will have
175 * NULL ->cra_users.next, since ->cra_users isn't
176 * properly initialized until registration. But an
177 * unregistered instance cannot have any users, so treat
178 * it the same as ->cra_users being empty.
179 */
180 if (spawns->next == NULL)
181 break;
170 } 182 }
171 } while ((spawns = crypto_more_spawns(alg, &stack, &top, 183 } while ((spawns = crypto_more_spawns(alg, &stack, &top,
172 &secondary_spawns))); 184 &secondary_spawns)));