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Diffstat (limited to 'fs/proc/kmsg.c')
-rw-r--r--fs/proc/kmsg.c25
1 files changed, 12 insertions, 13 deletions
diff --git a/fs/proc/kmsg.c b/fs/proc/kmsg.c
index bdfabdaefdce..2fc92a13f9f8 100644
--- a/fs/proc/kmsg.c
+++ b/fs/proc/kmsg.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* linux/fs/proc/kmsg.c
*
@@ -14,11 +15,8 @@
#include <linux/fs.h>
#include <linux/syslog.h>
-#include <asm/uaccess.h>
#include <asm/io.h>
-extern wait_queue_head_t log_wait;
-
static int kmsg_open(struct inode * inode, struct file * file)
{
return do_syslog(SYSLOG_ACTION_OPEN, NULL, 0, SYSLOG_FROM_PROC);
@@ -39,26 +37,27 @@ static ssize_t kmsg_read(struct file *file, char __user *buf,
return do_syslog(SYSLOG_ACTION_READ, buf, count, SYSLOG_FROM_PROC);
}
-static unsigned int kmsg_poll(struct file *file, poll_table *wait)
+static __poll_t kmsg_poll(struct file *file, poll_table *wait)
{
poll_wait(file, &log_wait, wait);
if (do_syslog(SYSLOG_ACTION_SIZE_UNREAD, NULL, 0, SYSLOG_FROM_PROC))
- return POLLIN | POLLRDNORM;
+ return EPOLLIN | EPOLLRDNORM;
return 0;
}
-static const struct file_operations proc_kmsg_operations = {
- .read = kmsg_read,
- .poll = kmsg_poll,
- .open = kmsg_open,
- .release = kmsg_release,
- .llseek = generic_file_llseek,
+static const struct proc_ops kmsg_proc_ops = {
+ .proc_flags = PROC_ENTRY_PERMANENT,
+ .proc_read = kmsg_read,
+ .proc_poll = kmsg_poll,
+ .proc_open = kmsg_open,
+ .proc_release = kmsg_release,
+ .proc_lseek = generic_file_llseek,
};
static int __init proc_kmsg_init(void)
{
- proc_create("kmsg", S_IRUSR, NULL, &proc_kmsg_operations);
+ proc_create("kmsg", S_IRUSR, NULL, &kmsg_proc_ops);
return 0;
}
-module_init(proc_kmsg_init);
+fs_initcall(proc_kmsg_init);