[PATCH 02/14] sysfs: In sysfs_lookup protect s_parent with
teheo at suse.de
Tue Jul 31 03:47:56 PDT 2007
Eric W. Biederman wrote:
> Tejun Heo <teheo at suse.de> writes:
>> Eric W. Biederman wrote:
>>> It turns out we have been being silly and have failed to
>>> protect ourselves against races between sysfs_lookup
>>> and operations that modify the sysfs directory like sysfs_readdir
>>> and create_dir.
>>> So this patch modifies sysfs_lookup to grab sysfs_mutex before
>>> walking the parent->s_children list.
>> Updated portion of #01 and #02 are identical to the cleanup patches I
>> just posted. :-)
> I'm not surprised. I will have to see what you have done after I have
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