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Author SHA1 Message Date
Jonathan Corbet
b0061a0ec4 changer: BKL pushdown 
Add lock_kernel() calls to ch_open(), though the existing locking looks
adequate.

Signed-off-by: Jonathan Corbet <corbet@lwn.net>
 2008-06-20 14:05:52 -06:00
Jonathan Corbet
dea3f665d6 dpt_i20: BKL pushdown 
Add lock_kernel() calls to adpt_open()

Signed-off-by: Jonathan Corbet <corbet@lwn.net>
 2008-06-20 14:05:52 -06:00
Jonathan Corbet
9aaf20cbf5 videopix: BKL pushdown 
Add explicit lock_kernel() calls to vfc_open().

Signed-off-by: Jonathan Corbet <corbet@lwn.net>
 2008-06-20 14:05:52 -06:00
Jonathan Corbet
5e9829ad38 bpp: bkl pushdown 
Put explicit lock_kernel() calls into bpp_open().  It has locking, but I'm
not convinced it won't race with ioctl().

Signed-off-by: Jonathan Corbet <corbet@lwn.net>
 2008-06-20 14:05:51 -06:00
Jonathan Corbet
4541b5ec9f phantom: BKL pushdown 
Add explicit lock_kernel calls to phantom_open().

Signed-off-by: Jonathan Corbet <corbet@lwn.net>
 2008-06-20 14:05:51 -06:00
Jonathan Corbet
057e7c7ff9 infiniband: more BKL pushdown 
Be extra-cautious and protect the remaining open() functions.

Signed-off-by: Jonathan Corbet <corbet@lwn.net>
 2008-06-20 14:05:51 -06:00
Jonathan Corbet
65f37b790b dsp56k: BKL pushdown 
Put explicit lock_kernel calls into dsp56k_open().

[Stupid missing label error fixed]

Signed-off-by: Jonathan Corbet <corbet@lwn.net>
 2008-06-20 14:05:51 -06:00
Jonathan Corbet
c0bed680f0 raw: BKL pushdown 
Put explicit lock_kernel() calls into raw_open(), even though the existing
locking looks adequate.

Signed-off-by: Jonathan Corbet <corbet@lwn.net>
 2008-06-20 14:05:51 -06:00
Jonathan Corbet
b8c71d7ae2 tlckl: BKL pushdown 
Put explicit lock_kernel calls into tlclk_open()

Signed-off-by: Jonathan Corbet <corbet@lwn.net>
 2008-06-20 14:05:51 -06:00
Jonathan Corbet
f4943db14f xilinx icap: BKL pushdown 
Add explicit lock_kernel() calls to hwicap_open() even though the existing
locking looks adequate.

Signed-off-by: Jonathan Corbet <corbet@lwn.net>
 2008-06-20 14:05:51 -06:00
Jonathan Corbet
f97259e35d vcs: BKL pushdown 
Add explicit BKL to vcs_open().

Signed-off-by: Jonathan Corbet <corbet@lwn.net>
 2008-06-20 14:05:51 -06:00
Jonathan Corbet
609f9e92b5 spidev: BKL pushdown 
Add the BKL to spidev_open(), even though the existing locking looks
adequate.

Signed-off-by: Jonathan Corbet <corbet@lwn.net>
 2008-06-20 14:05:50 -06:00
Jonathan Corbet
d21c95c569 Add "no BKL needed" comments to several drivers 
This documents the fact that somebody looked at the relevant open()
functions and concluded that, due to their trivial nature, no locking was
needed.

Signed-off-by: Jonathan Corbet <corbet@lwn.net>
 2008-06-20 14:05:50 -06:00
Jonathan Corbet
39d95b9d85 tty: cdev lock_kernel() pushdown 
Parts of the serial code actually BUG() if we don't do this.
 2008-06-20 14:05:50 -06:00
Jonathan Corbet
c43ef17450 snsc: cdev lock_kernel() pushdown 
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
 2008-06-20 14:05:50 -06:00
Jonathan Corbet
78a3c3d7c6 sound: cdev lock_kernel() pushdown 
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
 2008-06-20 14:05:50 -06:00
Jonathan Corbet
fc7f687a68 fbmem: cdev lock_kernel() pushdown 
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
 2008-06-20 14:05:50 -06:00
Jonathan Corbet
5794e1b14b dvb: cdev lock_kernel() pushdown 
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
 2008-06-20 14:05:50 -06:00
Jonathan Corbet
20613f24bc usbcore: cdev lock_kernel() pushdown 
usb_open() is protected by a down_read(&minor_rwsem), but I'm not sure I
trust it to protect everything including subsidiary open() functions.

Signed-off-by: Jonathan Corbet <corbet@lwn.net>
 2008-06-20 14:05:49 -06:00
Jonathan Corbet
1bcaa0bd6f isdn: cdev lock_kernel() pushdown 
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
 2008-06-20 14:05:49 -06:00
Jonathan Corbet
46787b481b gdth: cdev lock_kernel() pushdown 
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
 2008-06-20 14:05:49 -06:00
Jonathan Corbet
b3369c68bf st: cdev lock_kernel() pushdown 
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
 2008-06-20 14:05:49 -06:00
Jonathan Corbet
d4514d1bed aacraid: cdev lock_kernel() pushdown 
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
 2008-06-20 14:05:49 -06:00
Jonathan Corbet
647d87bd1b osst: cdev lock_kernel() pushdown. 
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
 2008-06-20 14:05:49 -06:00
Jonathan Corbet
eb09d3d4ee sg: cdev lock_kernel() pushdown 
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
 2008-06-20 14:05:49 -06:00
Jonathan Corbet
04f4ac9d1b ide-tape: cdev lock_kernel() pushdown 
->release() already has explicit lock_kernel() calls...

Signed-off-by: Jonathan Corbet <corbet@lwn.net>
 2008-06-20 14:05:49 -06:00
Jonathan Corbet
16750c2f32 phonedev: cdev lock_kernel() pushdown 
phone_open() looks OK, but I don't trust the subsidiary drivers (and ixj in
particular).

Signed-off-by: Jonathan Corbet <corbet@lwn.net>
 2008-06-20 14:05:48 -06:00
Jonathan Corbet
70ffa16e60 drm: cdev lock_kernel() pushdown 
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
 2008-06-20 14:05:48 -06:00
Jonathan Corbet
abedd296e9 lp: cdev lock_kernel() pushdown 
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
 2008-06-20 14:05:48 -06:00
Jonathan Corbet
12ead6b098 mbcs: cdev lock_kernel() pushdown 
This driver would appear to have no internal locking at all.

Signed-off-by: Jonathan Corbet <corbet@lwn.net>
 2008-06-20 14:05:48 -06:00
Jonathan Corbet
2d863e92ec viotape: cdev lock_kernel pushdown () 
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
 2008-06-20 14:05:48 -06:00
Jonathan Corbet
309c4551c0 misc: cdev lock_kernel() pushdown 
misc_open() looks fine, but who knows what all of the misc drivers are
doing in their open() functions?

Signed-off-by: Jonathan Corbet <corbet@lwn.net>
 2008-06-20 14:05:48 -06:00
Jonathan Corbet
1f439647a4 mem: cdev lock_kernel() pushdown 
It's really hard to tell if this is necessary - lots of weird
magic happens by way of map_devmem()

Signed-off-by: Jonathan Corbet <corbet@lwn.net>
 2008-06-20 14:05:48 -06:00
Jonathan Corbet
ecc38983f6 ipmi: cdev lock_kernel() pushdown 
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
 2008-06-20 14:05:47 -06:00
Jonathan Corbet
fbc8a81d66 UIO: cdev lock_kernel() pushdown 
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
 2008-06-20 14:05:47 -06:00
Jonathan Corbet
2edbf8537e Input: cdev lock_kernel() pushdown 
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
 2008-06-20 14:05:47 -06:00
Jonathan Corbet
702e57d9ef HID: cdev lock_kernel() pushdown 
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
 2008-06-20 14:05:47 -06:00
Jonathan Corbet
72b67048f5 UBI: cdev lock_kernel() pushdown 
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
 2008-06-20 14:03:43 -06:00
Jonathan Corbet
6071239ef1 mtdchar: cdev lock_kernel() pushdown 
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
 2008-06-20 14:03:43 -06:00
Jonathan Corbet
ea2959a297 paride: cdev lock_kernel() pushdown 
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
 2008-06-20 14:03:43 -06:00
Jonathan Corbet
579174a55f AoE: cdev lock_kernel() pushdown 
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
 2008-06-20 14:03:43 -06:00
Jonathan Corbet
764a4a8e54 drivers/s390: cdev lock_kernel() pushdown 
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
 2008-06-20 14:03:43 -06:00
Jonathan Corbet
51a776fa7a rtc: cdev lock_kernel() pushdown 
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
 2008-06-20 14:03:43 -06:00
Jonathan Corbet
0bec0bba7a pcmcia: cdev lock_kernel() pushdown 
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
 2008-05-18 15:43:40 -06:00
Jonathan Corbet
0911810755 cosa: cdev lock_kernel() pushdown 
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
 2008-05-18 15:43:40 -06:00
Jonathan Corbet
3db633ee35 i2c: cdev lock_kernel() pushdown 
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
 2008-05-18 15:43:40 -06:00
Jonathan Corbet
5119e92efc x86: cdev lock_kernel() pushdown 
Push the cdev lock_kernel() call down into the x86 msr and cpuid drivers.

Signed-off-by: Jonathan Corbet <corbet@lwn.net>
 2008-05-18 15:43:40 -06:00
Jonathan Corbet
1fa984b583 sh: cdev lock_kernel() pushdown 
Push the cdev lock_kernel() call down into the sh gio driver.

Signed-off-by: Jonathan Corbet <corbet@lwn.net>
 2008-05-18 15:43:40 -06:00
Jonathan Corbet
7558da942e mips: cdev lock_kernel() pushdown 
Push the cdev lock_kernel() call into MIPS-specific drivers.

Signed-off-by: Jonathan Corbet <corbet@lwn.net>
 2008-05-18 15:43:40 -06:00
Jonathan Corbet
0c401df37e cris: cdev lock_kernel() pushdown 
Push the cdev lock_kernel() call into cris drivers.

Signed-off-by: Jonathan Corbet <corbet@lwn.net>
 2008-05-18 15:43:40 -06:00