Hello,
I was doing some conversion using coccinelle using the attached script
and I'm wondering why the rule unreg2 doesn't match anywhere in linux
kernel in drivers/media/dvb-core/dvbdev.c. Can someone explain to me
what am I doing wrong? Thanks!
Honza
--
Jan Kara <[email protected]>
SUSE Labs, CR
@decl@
identifier x;
@@
-static struct cdev x;
@initadd@
identifier decl.x;
expression fops;
identifier ret;
expression d;
expression count;
statement stmt;
@@
- cdev_init(&x, fops);
(
- ret = cdev_add(&x, d, count);
- if (<+...ret...+>) stmt
|
- if (<+...cdev_add(&x, d, count)...+>) stmt
)
@creationdyn@
identifier d;
identifier ret;
identifier major;
expression initadd.fops;
expression name;
expression initadd.count;
expression first_minor;
@@
- dev_t d;
...
- ret = alloc_chrdev_region(&d, first_minor, count, name);
+ ret = __register_chrdev(0, first_minor, count, name, fops);
...
- major = MAJOR(d);
+ major = ret;
@creationstat@
identifier d;
identifier ret;
expression major;
expression initadd.fops;
expression name;
expression initadd.count;
expression first_minor;
statement stmt;
@@
- dev_t d = MKDEV(major, first_minor);
...
(
- ret = register_chrdev_region(d, count, name);
+ ret = __register_chrdev(major, first_minor, count, name, fops);
|
- if (<+...ret = register_chrdev_region(d, count, name)...+>) stmt
+ ret = __register_chrdev(major, first_minor, count, name, fops);
+ if (ret) stmt
)
@deletion@
identifier decl.x;
@@
- cdev_del(&x);
@unreg@
identifier d;
expression count;
expression major, minor;
expression creationstat.name;
@@
- dev_t d = MKDEV(major, minor);
...
- unregister_chrdev_region(d, count);
+ __unregister_chrdev(major, minor, count, name);
@unreg2@
expression d;
expression count;
expression creationstat.major, creationstat.first_minor;
expression creationstat.name;
@@
- unregister_chrdev_region(d, count);
+ __unregister_chrdev(major, first_minor, count, name);
_______________________________________________
Cocci mailing list
[email protected]
https://systeme.lip6.fr/mailman/listinfo/cocci
