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cifs: no need to use rcu_assign_pointer on immutable keys 

cifs: no need to use rcu_assign_pointer on immutable keys

Neither keytype in use by CIFS has an "update" method. This means that
the keys are immutable once instantiated. We don't need to use RCU
to set the payload data pointers.

Signed-off-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Steve French <sfrench@us.ibm.com>
This commit is contained in:
Jeff Layton 2009-03-23 01:47:11 -04:00 committed by Steve French
parent 5144ebf408
commit d9fb5c091b
2 changed files with 2 additions and 2 deletions
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2
fs/cifs/cifs_spnego.c
View File

@ -41,7 +41,7 @@ cifs_spnego_key_instantiate(struct key *key, const void *data, size_t datalen)
/* attach the data */
memcpy(payload, data, datalen);
rcu_assign_pointer(key->payload.data, payload);
key->payload.data = payload;
ret = 0;
error:

2
fs/cifs/dns_resolve.c
View File

@ -78,7 +78,7 @@ dns_resolver_instantiate(struct key *key, const void *data,
}
key->type_data.x[0] = datalen;
rcu_assign_pointer(key->payload.data, ip);
key->payload.data = ip;
return rc;
}