lk/linux-kernel-test
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

drivers: use non-racy method for proc entries creation

Browse Source 
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>
Acked-by: Greg Kroah-Hartman <gregkh@suse.de>
Cc: Alexey Dobriyan <adobriyan@gmail.com>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>
Acked-by: Dmitry Torokhov <dtor@mail.ru>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Denis V. Lunev
2008-04-29 01:02:34 -07:00
committed by Linus Torvalds
parent 0fd6894682
commit 1b50221738
5 changed files with 23 additions and 28 deletions
Download Patch File Download Diff File Expand all files Collapse all files

9
drivers/char/viotape.c
View File

@ -249,6 +249,7 @@ static int proc_viotape_open(struct inode *inode, struct file *file)
}
static const struct file_operations proc_viotape_operations = {
.owner = THIS_MODULE,
.open = proc_viotape_open,
.read = seq_read,
.llseek = seq_lseek,
@ -915,7 +916,6 @@ static struct vio_driver viotape_driver = {
int __init viotap_init(void)
{
int ret;
struct proc_dir_entry *e;
if (!firmware_has_feature(FW_FEATURE_ISERIES))
return -ENODEV;
@ -968,11 +968,8 @@ int __init viotap_init(void)
if (ret)
goto unreg_class;
e = create_proc_entry("iSeries/viotape", S_IFREG|S_IRUGO, NULL);
if (e) {
e->owner = THIS_MODULE;
e->proc_fops = &proc_viotape_operations;
}
proc_create("iSeries/viotape", S_IFREG|S_IRUGO, NULL,
&proc_viotape_operations);
return 0;