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| author | Alexey Dobriyan <[email protected]> | 2009-02-20 14:04:33 +0000 |
|---|---|---|
| committer | Alexey Dobriyan <[email protected]> | 2009-03-30 21:14:27 +0000 |
| commit | 3dec7f59c370c7b58184d63293c3dc984d475840 (patch) | |
| tree | 54df7ab53c1f625179e2b69c78b782b5a867363e /net/unix/af_unix.c | |
| parent | proc: fix sparse warnings in pagemap_read() (diff) | |
| download | kernel-3dec7f59c370c7b58184d63293c3dc984d475840.tar.gz kernel-3dec7f59c370c7b58184d63293c3dc984d475840.zip | |
proc 1/2: do PDE usecounting even for ->read_proc, ->write_proc
struct proc_dir_entry::owner is going to be removed. Now it's only necessary
to protect PDEs which are using ->read_proc, ->write_proc hooks.
However, ->owner assignments are racy and make it very easy for someone to switch
->owner on live PDE (as some subsystems do) without fixing refcounts and so on.
http://bugzilla.kernel.org/show_bug.cgi?id=12454
So, ->owner is on death row.
Proxy file operations exist already (proc_file_operations), just bump usecount
when necessary.
Signed-off-by: Alexey Dobriyan <[email protected]>
Diffstat (limited to 'net/unix/af_unix.c')
0 files changed, 0 insertions, 0 deletions