Signed-off-by: Alexey Dobriyan <adobri...@gmail.com>
---
fs/proc/proc_devtree.c | 41 +++++++++++++++++++++--------------------
1 file changed, 21 insertions(+), 20 deletions(-)
--- a/fs/proc/proc_devtree.c
+++ b/fs/proc/proc_devtree.c
@@ -7,6 +7,7 @@
#include <linux/init.h>
#include <linux/time.h>
#include <linux/proc_fs.h>
+#include <linux/seq_file.h>
#include <linux/stat.h>
#include <linux/string.h>
#include <asm/prom.h>
@@ -25,26 +26,27 @@ static struct proc_dir_entry *proc_device_tree;
/*
* Supply data on a read from /proc/device-tree/node/property.
*/
-static int property_read_proc(char *page, char **start, off_t off,
- int count, int *eof, void *data)
+static int property_proc_show(struct seq_file *m, void *v)
{
- struct property *pp = data;
- int n;
+ struct property *pp = m->private;
- if (off >= pp->length) {
- *eof = 1;
- return 0;
- }
- n = pp->length - off;
- if (n > count)
- n = count;
- else
- *eof = 1;
- memcpy(page, (char *)pp->value + off, n);
- *start = page;
- return n;
+ seq_write(m, pp->value, pp->length);
+ return 0;
+}
+
+static int property_proc_open(struct inode *inode, struct file *file)
+{
+ return single_open(file, property_proc_show, PDE(inode)->data);
}
+static const struct file_operations property_proc_fops = {
+ .owner = THIS_MODULE,
+ .open = property_proc_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
+};
+
/*
* For a node with a name like "g...@10", we make symlinks called "gc"
* and "@10" to it.
@@ -63,10 +65,9 @@ __proc_device_tree_add_prop(struct proc_dir_entry *de,
struct property *pp,
* Unfortunately proc_register puts each new entry
* at the beginning of the list. So we rearrange them.
*/
- ent = create_proc_read_entry(name,
- strncmp(name, "security-", 9)
- ? S_IRUGO : S_IRUSR, de,
- property_read_proc, pp);
+ ent = proc_create_data(name,
+ strncmp(name, "security-", 9) ? S_IRUGO :
S_IRUSR,
+ de, &property_proc_fops, pp);
if (ent == NULL)
return NULL;
_______________________________________________
Linuxppc-dev mailing list
Linuxppc-dev@lists.ozlabs.org
https://lists.ozlabs.org/listinfo/linuxppc-dev
