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Alexey Dobriyan 99b7623380 proc 2/2: remove struct proc_dir_entry::owner ... Setting ->owner as done currently (pde->owner = THIS_MODULE) is racy as correctly noted at bug #12454. Someone can lookup entry with NULL ->owner, thus not pinning enything, and release it later resulting in module refcount underflow. We can keep ->owner and supply it at registration time like ->proc_fops and ->data. But this leaves ->owner as easy-manipulative field (just one C assignment) and somebody will forget to unpin previous/pin current module when switching ->owner. ->proc_fops is declared as "const" which should give some thoughts. ->read_proc/->write_proc were just fixed to not require ->owner for protection. rmmod'ed directories will be empty and return "." and ".." -- no harm. And directories with tricky enough readdir and lookup shouldn't be modular. We definitely don't want such modular code. Removing ->owner will also make PDE smaller. So, let's nuke it. Kudos to Jeff Layton for reminding about this, let's say, oversight. http://bugzilla.kernel.org/show_bug.cgi?id=12454 Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>		16 years ago
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aoa	…
arm	Merge branch 'origin' into devel	16 years ago
atmel	…
core	proc 2/2: remove struct proc_dir_entry::owner	16 years ago
drivers	Merge branch 'core/percpu' into percpu-cpumask-x86-for-linus-2	16 years ago
i2c	V4L/DVB (10771): tea575x-tuner: convert it to V4L2 API	16 years ago
isa	…
mips	…
oss	Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68k	16 years ago
parisc	…
pci	V4L/DVB (10771): tea575x-tuner: convert it to V4L2 API	16 years ago
pcmcia	…
ppc	…
sh	…
soc	Merge branch 'origin' into devel	16 years ago
sparc	…
spi	…
synth	…
usb	…
Kconfig	…
Makefile	…
ac97_bus.c	…
last.c	…
sound_core.c	…
sound_firmware.c	…