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| author |   Benjamin Tissoires <benjamin.tissoires@gmail.com> | 2012-12-12 18:00:02 +0100 |
|---|---|---|
| committer |   Jiri Kosina <jkosina@suse.cz> | 2012-12-12 18:26:22 +0100 |
| commit | 7a7d6d9c5fcd4b674da38e814cfc0724c67731b2 (patch) | |
| tree | 8fdc9bdf269b31a706e20ac0ca1d1f135164c4c8 /drivers/hid/hid-apple.c | |
| parent | HID: i2c-hid: fix ret_count check (diff) | |
| download | linux-dev-7a7d6d9c5fcd4b674da38e814cfc0724c67731b2.tar.xz linux-dev-7a7d6d9c5fcd4b674da38e814cfc0724c67731b2.zip | |
HID: i2c-hid: add mutex protecting open/close race
We should not enter close function while someone else is in open.
This mutex prevents this race.
There is also no need to override the ret value with -EIO in case of
a failure of i2c_hid_set_power.
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@gmail.com>
Reviewed-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Diffstat (limited to 'drivers/hid/hid-apple.c')
0 files changed, 0 insertions, 0 deletions