Re: [PATCH] devfs (1/7) - fix compilation

Christoph Hellwig (hch@lst.de)
Fri, 18 Apr 2003 18:21:01 +0200


On Fri, Apr 18, 2003 at 09:19:00AM -0700, Linus Torvalds wrote:
>
> On Fri, 18 Apr 2003, Christoph Hellwig wrote:
> > @@ -1456,8 +1455,8 @@
> > dev_t devnum = 0, dev = MKDEV(major, minor);
> > struct devfs_entry *de;
> >
> > - if (flags)
> > - printk(KERN_ERR "%s called with flags != 0, please fix!\n");
> > + /* we don't accept any flags anymore. prototype will change soon. */
> > + BUG_ON(flags);
>
> PLEASE don't use BUG_ON() except for conditions that you really cannot
> continue from. It's damn impolite (and it makes debugging impossible) to
> kill the kernel startup if somebody has a unconverted driver or similar.

Ok. Is this one better?

diff -Nru a/fs/devfs/base.c b/fs/devfs/base.c
--- a/fs/devfs/base.c Fri Apr 18 15:56:18 2003
+++ b/fs/devfs/base.c Fri Apr 18 15:56:18 2003
@@ -1377,7 +1377,6 @@
* @uid: The user ID.
* @gid: The group ID.
* @fs_info: The filesystem info.
- * @atomic: If TRUE, an atomic allocation is required.
*
* Returns %TRUE if an event was queued and devfsd woken up, else %FALSE.
*/
@@ -1423,7 +1422,7 @@
static void devfsd_notify (struct devfs_entry *de,unsigned short type)
{
devfsd_notify_de(de, type, de->mode, current->euid,
- current->egid, &fs_info, 0);
+ current->egid, &fs_info);
}


@@ -1456,8 +1455,8 @@
dev_t devnum = 0, dev = MKDEV(major, minor);
struct devfs_entry *de;

- if (flags)
- printk(KERN_ERR "%s called with flags != 0, please fix!\n");
+ /* we don't accept any flags anymore. prototype will change soon. */
+ WARN_ON(flags);

if (name == NULL)
{
-
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