In-Reply-To: <[email protected]>
On Sat, 16 Dec 2006 09:18:28 -0500, Dave Jones wrote:
> > That's strange. Remove_files called sysfs_hash_and_remove()
> > with dir==0xfffffff3 (-13 decimal.)
>
> Hmm, That's -EACCESS. Something not checking a return code at a lower
> level maybe ?
In fs/sysfs/group.c:
void sysfs_remove_group(struct kobject * kobj,
const struct attribute_group * grp)
{
struct dentry * dir;
if (grp->name)
dir = lookup_one_len(grp->name, kobj->dentry,
strlen(grp->name));
else
dir = dget(kobj->dentry);
remove_files(dir,grp);
if (grp->name)
sysfs_remove_subdir(dir);
/* release the ref. taken in this routine */
dput(dir);
}
'dir' is being used without checking whether lookup_one_len()
succeeded.
> It's odd that something disconnects during boot, as nothing gets plugged.
Sometimes notebooks have USB devices built-in and they get treated
as if they were hotplugged.
--
MBTI: IXTP
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