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authorMimi Zohar <zohar@linux.vnet.ibm.com>2012-01-17 20:39:51 +0000
committerJames Morris <jmorris@namei.org>2012-01-18 10:41:29 +1100
commitee0b31a25a010116f44fca6c96f4516d417793dd (patch)
treed7670d202d0f4888b5213ed73d88c9a80bd05b74 /security/keys/encrypted-keys/encrypted.c
parentefde8b6e16f11e7d1681c68d86c7fd51053cada7 (diff)
keys: fix trusted/encrypted keys sparse rcu_assign_pointer messages
Define rcu_assign_keypointer(), which uses the key payload.rcudata instead of payload.data, to resolve the CONFIG_SPARSE_RCU_POINTER message: "incompatible types in comparison expression (different address spaces)" Replace the rcu_assign_pointer() calls in encrypted/trusted keys with rcu_assign_keypointer(). Signed-off-by: Mimi Zohar <zohar@us.ibm.com> Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: James Morris <jmorris@namei.org>
Diffstat (limited to 'security/keys/encrypted-keys/encrypted.c')
-rw-r--r--security/keys/encrypted-keys/encrypted.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/security/keys/encrypted-keys/encrypted.c b/security/keys/encrypted-keys/encrypted.c
index 41144f71d615..d91efb6901e9 100644
--- a/security/keys/encrypted-keys/encrypted.c
+++ b/security/keys/encrypted-keys/encrypted.c
@@ -810,7 +810,7 @@ static int encrypted_instantiate(struct key *key, const void *data,
goto out;
}
- rcu_assign_pointer(key->payload.data, epayload);
+ rcu_assign_keypointer(key, epayload);
out:
kfree(datablob);
return ret;
@@ -874,7 +874,7 @@ static int encrypted_update(struct key *key, const void *data, size_t datalen)
memcpy(new_epayload->payload_data, epayload->payload_data,
epayload->payload_datalen);
- rcu_assign_pointer(key->payload.data, new_epayload);
+ rcu_assign_keypointer(key, new_epayload);
call_rcu(&epayload->rcu, encrypted_rcu_free);
out:
kfree(buf);