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| author | Benjamin Tissoires <benjamin.tissoires@gmail.com> | 2012-12-12 17:00:02 (GMT) |
|---|---|---|
| committer | Jiri Kosina <jkosina@suse.cz> | 2012-12-12 17:26:22 (GMT) |
| commit | 7a7d6d9c5fcd4b674da38e814cfc0724c67731b2 (patch) | |
| tree | 8fdc9bdf269b31a706e20ac0ca1d1f135164c4c8 /drivers/spi/spi-butterfly.c | |
| parent | 9afd09a1db93cc9084846c2b9bc0d1194743e5dc (diff) | |
| download | linux-fsl-qoriq-7a7d6d9c5fcd4b674da38e814cfc0724c67731b2.tar.xz | |
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/spi/spi-butterfly.c')
0 files changed, 0 insertions, 0 deletions