diff options
Diffstat (limited to 'fs/ecryptfs/miscdev.c')
| -rw-r--r-- | fs/ecryptfs/miscdev.c | 32 |
1 files changed, 8 insertions, 24 deletions
diff --git a/fs/ecryptfs/miscdev.c b/fs/ecryptfs/miscdev.c index e4141f257495..4e62c3cef70f 100644 --- a/fs/ecryptfs/miscdev.c +++ b/fs/ecryptfs/miscdev.c @@ -1,22 +1,9 @@ -/** +// SPDX-License-Identifier: GPL-2.0-only +/* * eCryptfs: Linux filesystem encryption layer * * Copyright (C) 2008 International Business Machines Corp. * Author(s): Michael A. Halcrow <mhalcrow@us.ibm.com> - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License version - * 2 as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA - * 02111-1307, USA. */ #include <linux/fs.h> @@ -38,11 +25,11 @@ static atomic_t ecryptfs_num_miscdev_opens; * * Returns the poll mask */ -static unsigned int +static __poll_t ecryptfs_miscdev_poll(struct file *file, poll_table *pt) { struct ecryptfs_daemon *daemon = file->private_data; - unsigned int mask = 0; + __poll_t mask = 0; mutex_lock(&daemon->mux); if (daemon->flags & ECRYPTFS_DAEMON_ZOMBIE) { @@ -59,7 +46,7 @@ ecryptfs_miscdev_poll(struct file *file, poll_table *pt) poll_wait(file, &daemon->wait, pt); mutex_lock(&daemon->mux); if (!list_empty(&daemon->msg_ctx_out_queue)) - mask |= POLLIN | POLLRDNORM; + mask |= EPOLLIN | EPOLLRDNORM; out_unlock_daemon: daemon->flags &= ~ECRYPTFS_DAEMON_IN_POLL; mutex_unlock(&daemon->mux); @@ -163,12 +150,8 @@ int ecryptfs_send_miscdev(char *data, size_t data_size, struct ecryptfs_message *msg; msg = kmalloc((sizeof(*msg) + data_size), GFP_KERNEL); - if (!msg) { - printk(KERN_ERR "%s: Out of memory whilst attempting " - "to kmalloc(%zd, GFP_KERNEL)\n", __func__, - (sizeof(*msg) + data_size)); + if (!msg) return -ENOMEM; - } mutex_lock(&msg_ctx->mux); msg_ctx->msg = msg; @@ -329,6 +312,7 @@ out_unlock_daemon: /** * ecryptfs_miscdev_response - miscdevess response to message previously sent to daemon + * @daemon: eCryptfs daemon object * @data: Bytes comprising struct ecryptfs_message * @data_size: sizeof(struct ecryptfs_message) + data len * @seq: Sequence number for miscdev response packet @@ -383,7 +367,7 @@ ecryptfs_miscdev_write(struct file *file, const char __user *buf, goto memdup; } else if (count < MIN_MSG_PKT_SIZE || count > MAX_MSG_PKT_SIZE) { printk(KERN_WARNING "%s: Acceptable packet size range is " - "[%d-%zu], but amount of data written is [%zu].", + "[%d-%zu], but amount of data written is [%zu].\n", __func__, MIN_MSG_PKT_SIZE, MAX_MSG_PKT_SIZE, count); return -EINVAL; } |