[PATCH RFC 01/23] nubus: let procfs own the seq_file of the resource files

[Christian Brauner]

Get the inode from the file instead of ->private, declare the show
function and let procfs open and free the seq_file.

Signed-off-by: Christian Brauner (Amutable) <brauner at kernel.org>
---
 drivers/nubus/proc.c | 12 ++----------
 1 file changed, 2 insertions(+), 10 deletions(-)

diff --git a/drivers/nubus/proc.c b/drivers/nubus/proc.c
index 3ea3d1738eae..cb21ad1d9964 100644
--- a/drivers/nubus/proc.c
+++ b/drivers/nubus/proc.c
@@ -107,7 +107,7 @@ nubus_proc_alloc_pde_data(unsigned char *ptr, unsigned int size)
 
 static int nubus_proc_rsrc_show(struct seq_file *m, void *v)
 {
-	struct inode *inode = m->private;
+	struct inode *inode = file_inode(m->file);
 	struct nubus_proc_pde_data *pded;
 
 	pded = pde_data(inode);
@@ -138,16 +138,8 @@ static int nubus_proc_rsrc_show(struct seq_file *m, void *v)
 	return 0;
 }
 
-static int nubus_rsrc_proc_open(struct inode *inode, struct file *file)
-{
-	return single_open(file, nubus_proc_rsrc_show, inode);
-}
-
 static const struct proc_ops nubus_rsrc_proc_ops = {
-	.proc_open	= nubus_rsrc_proc_open,
-	.proc_read	= seq_read,
-	.proc_lseek	= seq_lseek,
-	.proc_release	= single_release,
+	.proc_show	= nubus_proc_rsrc_show,
 };
 
 void nubus_proc_add_rsrc_mem(struct proc_dir_entry *procdir,

-- 
2.53.0