Declare the show function and let procfs open and free the seq_file.
->proc_open() only preallocates the buffer now.
Signed-off-by: Christian Brauner (Amutable) <brauner@kernel.org>
---
fs/proc/stat.c | 6 ++----
1 file changed, 2 insertions(+), 4 deletions(-)
diff --git a/fs/proc/stat.c b/fs/proc/stat.c
index 79b42f2bfd00..3bfb79edc0f6 100644
--- a/fs/proc/stat.c
+++ b/fs/proc/stat.c
@@ -161,15 +161,13 @@ static int stat_open(struct inode *inode, struct file *file)
/* minimum size to display an interrupt count : 2 bytes */
size += 2 * irq_get_nr_irqs();
- return single_open_size(file, show_stat, NULL, size);
+ return seq_preallocate(file->private_data, size);
}
static const struct proc_ops stat_proc_ops = {
.proc_flags = PROC_ENTRY_PERMANENT,
+ .proc_show = show_stat,
.proc_open = stat_open,
- .proc_read_iter = seq_read_iter,
- .proc_lseek = seq_lseek,
- .proc_release = single_release,
};
static int __init proc_stat_init(void)
--
2.53.0