diff options
Diffstat (limited to 'security/keys/request_key.c')
-rw-r--r-- | security/keys/request_key.c | 36 |
1 files changed, 29 insertions, 7 deletions
diff --git a/security/keys/request_key.c b/security/keys/request_key.c index 90c1506d007..e6dd366d43a 100644 --- a/security/keys/request_key.c +++ b/security/keys/request_key.c @@ -129,7 +129,7 @@ static struct key *__request_key_construction(struct key_type *type, /* create a key and add it to the queue */ key = key_alloc(type, description, - current->fsuid, current->fsgid, KEY_USR_ALL, 0); + current->fsuid, current->fsgid, KEY_POS_ALL, 0); if (IS_ERR(key)) goto alloc_failed; @@ -365,14 +365,24 @@ struct key *request_key_and_link(struct key_type *type, { struct key_user *user; struct key *key; + key_ref_t key_ref; kenter("%s,%s,%s,%p", type->name, description, callout_info, dest_keyring); /* search all the process keyrings for a key */ - key = search_process_keyrings(type, description, type->match, current); + key_ref = search_process_keyrings(type, description, type->match, + current); - if (PTR_ERR(key) == -EAGAIN) { + kdebug("search 1: %p", key_ref); + + if (!IS_ERR(key_ref)) { + key = key_ref_to_ptr(key_ref); + } + else if (PTR_ERR(key_ref) != -EAGAIN) { + key = ERR_PTR(PTR_ERR(key_ref)); + } + else { /* the search failed, but the keyrings were searchable, so we * should consult userspace if we can */ key = ERR_PTR(-ENOKEY); @@ -384,7 +394,7 @@ struct key *request_key_and_link(struct key_type *type, if (!user) goto nomem; - do { + for (;;) { if (signal_pending(current)) goto interrupted; @@ -397,10 +407,22 @@ struct key *request_key_and_link(struct key_type *type, /* someone else made the key we want, so we need to * search again as it might now be available to us */ - key = search_process_keyrings(type, description, - type->match, current); + key_ref = search_process_keyrings(type, description, + type->match, + current); + + kdebug("search 2: %p", key_ref); - } while (PTR_ERR(key) == -EAGAIN); + if (!IS_ERR(key_ref)) { + key = key_ref_to_ptr(key_ref); + break; + } + + if (PTR_ERR(key_ref) != -EAGAIN) { + key = ERR_PTR(PTR_ERR(key_ref)); + break; + } + } key_user_put(user); |