diff options
Diffstat (limited to 'fs/proc/proc_devtree.c')
| -rw-r--r-- | fs/proc/proc_devtree.c | 41 |
1 files changed, 21 insertions, 20 deletions
diff --git a/fs/proc/proc_devtree.c b/fs/proc/proc_devtree.c index 7ba79a54948..123257bb356 100644 --- 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 "gc@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; |