EXPORT_SYMBOL(d_obtain_alias) rather than EXPORT_SYMBOL_GPL

[safe/jmp/linux-2.6] / fs / ecryptfs / messaging.c

diff --git a/fs/ecryptfs/messaging.c b/fs/ecryptfs/messaging.c
index e0b0a4e..96ef514 100644 (file)
--- a/fs/ecryptfs/messaging.c
+++ b/fs/ecryptfs/messaging.c
@@ -193,7 +193,7 @@ ecryptfs_spawn_daemon(struct ecryptfs_daemon **daemon, uid_t euid,
        (*daemon) = kzalloc(sizeof(**daemon), GFP_KERNEL);
        if (!(*daemon)) {
                rc = -ENOMEM;
-               printk(KERN_ERR "%s: Failed to allocate [%Zd] bytes of "
+               printk(KERN_ERR "%s: Failed to allocate [%zd] bytes of "
                       "GFP_KERNEL memory\n", __func__, sizeof(**daemon));
                goto out;
        }
@@ -360,7 +360,7 @@ int ecryptfs_process_response(struct ecryptfs_message *msg, uid_t euid,
        struct ecryptfs_msg_ctx *msg_ctx;
        size_t msg_size;
        struct nsproxy *nsproxy;
-       struct user_namespace *current_user_ns;
+       struct user_namespace *tsk_user_ns;
        uid_t ctx_euid;
        int rc;
 
@@ -385,9 +385,9 @@ int ecryptfs_process_response(struct ecryptfs_message *msg, uid_t euid,
                mutex_unlock(&ecryptfs_daemon_hash_mux);
                goto wake_up;
        }
-       current_user_ns = nsproxy->user_ns;
+       tsk_user_ns = __task_cred(msg_ctx->task)->user->user_ns;
        ctx_euid = task_euid(msg_ctx->task);
-       rc = ecryptfs_find_daemon_by_euid(&daemon, ctx_euid, current_user_ns);
+       rc = ecryptfs_find_daemon_by_euid(&daemon, ctx_euid, tsk_user_ns);
        rcu_read_unlock();
        mutex_unlock(&ecryptfs_daemon_hash_mux);
        if (rc) {
@@ -405,11 +405,11 @@ int ecryptfs_process_response(struct ecryptfs_message *msg, uid_t euid,
                       euid, ctx_euid);
                goto unlock;
        }
-       if (current_user_ns != user_ns) {
+       if (tsk_user_ns != user_ns) {
                rc = -EBADMSG;
                printk(KERN_WARNING "%s: Received message from user_ns "
                       "[0x%p]; expected message from user_ns [0x%p]\n",
-                      __func__, user_ns, nsproxy->user_ns);
+                      __func__, user_ns, tsk_user_ns);
                goto unlock;
        }
        if (daemon->pid != pid) {
@@ -435,7 +435,7 @@ int ecryptfs_process_response(struct ecryptfs_message *msg, uid_t euid,
        msg_ctx->msg = kmalloc(msg_size, GFP_KERNEL);
        if (!msg_ctx->msg) {
                rc = -ENOMEM;
-               printk(KERN_ERR "%s: Failed to allocate [%Zd] bytes of "
+               printk(KERN_ERR "%s: Failed to allocate [%zd] bytes of "
                       "GFP_KERNEL memory\n", __func__, msg_size);
                goto unlock;
        }
@@ -468,8 +468,7 @@ ecryptfs_send_message_locked(char *data, int data_len, u8 msg_type,
        uid_t euid = current_euid();
        int rc;
 
-       rc = ecryptfs_find_daemon_by_euid(&daemon, euid,
-                                         current->nsproxy->user_ns);
+       rc = ecryptfs_find_daemon_by_euid(&daemon, euid, current_user_ns());
        if (rc || !daemon) {
                rc = -ENOTCONN;
                printk(KERN_ERR "%s: User [%d] does not have a daemon "