drivers: use non-racy method for proc entries creation (2)

Use proc_create()/proc_create_data() to make sure that ->proc_fops and ->data
be setup before gluing PDE to main tree.

Signed-off-by: Denis V. Lunev <den@openvz.org>
Cc: Greg Kroah-Hartman <gregkh@suse.de>
Cc: Alexey Dobriyan <adobriyan@gmail.com>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>
Cc: Peter Osterlund <petero2@telia.com>
Cc: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Cc: Dmitry Torokhov <dtor@mail.ru>
Cc: Neil Brown <neilb@suse.de>
Cc: Mauro Carvalho Chehab <mchehab@infradead.org>
Cc: Bjorn Helgaas <bjorn.helgaas@hp.com>
Cc: Alessandro Zummo <a.zummo@towertech.it>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 3 insertions, 4 deletions

diff --git a/drivers/pnp/isapnp/proc.c b/drivers/pnp/isapnp/proc.c
index e1d1f2a10947..3f94edab25fa 100644
--- a/drivers/pnp/isapnp/proc.c
+++ b/drivers/pnp/isapnp/proc.c
@@ -85,6 +85,7 @@ static ssize_t isapnp_proc_bus_read(struct file *file, char __user * buf,
 }
 
 static const struct file_operations isapnp_proc_bus_file_operations = {
+	.owner	= THIS_MODULE,
 	.llseek = isapnp_proc_bus_lseek,
 	.read = isapnp_proc_bus_read,
 };
@@ -102,12 +103,10 @@ static int isapnp_proc_attach_device(struct pnp_dev *dev)
 			return -ENOMEM;
 	}
 	sprintf(name, "%02x", dev->number);
-	e = dev->procent = create_proc_entry(name, S_IFREG | S_IRUGO, de);
+	e = dev->procent = proc_create_data(name, S_IFREG | S_IRUGO, de,
+			&isapnp_proc_bus_file_operations, dev);
 	if (!e)
 		return -ENOMEM;
-	e->proc_fops = &isapnp_proc_bus_file_operations;
-	e->owner = THIS_MODULE;
-	e->data = dev;
 	e->size = 256;
 	return 0;
 }