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>
这个提交包含在:
Denis V. Lunev
2008-04-29 01:02:35 -07:00
提交者 Linus Torvalds
父节点 1b50221738
当前提交 c7705f3449
修改 12 个文件,包含 33 行新增68 行删除

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@@ -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;
}