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-rw-r--r--fs/proc/proc_devtree.c41
1 files changed, 21 insertions, 20 deletions
diff --git a/fs/proc/proc_devtree.c b/fs/proc/proc_devtree.c
index 7ba79a54948c..123257bb356b 100644
--- a/fs/proc/proc_devtree.c
+++ b/fs/proc/proc_devtree.c
@@ -7,6 +7,7 @@
7#include <linux/init.h> 7#include <linux/init.h>
8#include <linux/time.h> 8#include <linux/time.h>
9#include <linux/proc_fs.h> 9#include <linux/proc_fs.h>
10#include <linux/seq_file.h>
10#include <linux/stat.h> 11#include <linux/stat.h>
11#include <linux/string.h> 12#include <linux/string.h>
12#include <asm/prom.h> 13#include <asm/prom.h>
@@ -25,26 +26,27 @@ static struct proc_dir_entry *proc_device_tree;
25/* 26/*
26 * Supply data on a read from /proc/device-tree/node/property. 27 * Supply data on a read from /proc/device-tree/node/property.
27 */ 28 */
28static int property_read_proc(char *page, char **start, off_t off, 29static int property_proc_show(struct seq_file *m, void *v)
29 int count, int *eof, void *data)
30{ 30{
31 struct property *pp = data; 31 struct property *pp = m->private;
32 int n;
33 32
34 if (off >= pp->length) { 33 seq_write(m, pp->value, pp->length);
35 *eof = 1; 34 return 0;
36 return 0; 35}
37 } 36
38 n = pp->length - off; 37static int property_proc_open(struct inode *inode, struct file *file)
39 if (n > count) 38{
40 n = count; 39 return single_open(file, property_proc_show, PDE(inode)->data);
41 else
42 *eof = 1;
43 memcpy(page, (char *)pp->value + off, n);
44 *start = page;
45 return n;
46} 40}
47 41
42static const struct file_operations property_proc_fops = {
43 .owner = THIS_MODULE,
44 .open = property_proc_open,
45 .read = seq_read,
46 .llseek = seq_lseek,
47 .release = single_release,
48};
49
48/* 50/*
49 * For a node with a name like "gc@10", we make symlinks called "gc" 51 * For a node with a name like "gc@10", we make symlinks called "gc"
50 * and "@10" to it. 52 * and "@10" to it.
@@ -63,10 +65,9 @@ __proc_device_tree_add_prop(struct proc_dir_entry *de, struct property *pp,
63 * Unfortunately proc_register puts each new entry 65 * Unfortunately proc_register puts each new entry
64 * at the beginning of the list. So we rearrange them. 66 * at the beginning of the list. So we rearrange them.
65 */ 67 */
66 ent = create_proc_read_entry(name, 68 ent = proc_create_data(name,
67 strncmp(name, "security-", 9) 69 strncmp(name, "security-", 9) ? S_IRUGO : S_IRUSR,
68 ? S_IRUGO : S_IRUSR, de, 70 de, &property_proc_fops, pp);
69 property_read_proc, pp);
70 if (ent == NULL) 71 if (ent == NULL)
71 return NULL; 72 return NULL;
72 73