diff options
| author | Nick Dyer <nick.dyer@itdev.co.uk> | 2014-12-16 16:47:55 +0000 |
|---|---|---|
| committer | Nick Dyer <nick.dyer@itdev.co.uk> | 2015-05-01 14:57:55 +0100 |
| commit | c7f8291a550870f3d4a67a4aba06acd4aa7c2034 (patch) | |
| tree | 4c732fea59af16df64d755352e5f3d83776d9be1 /drivers/input/touchscreen/atmel_mxt_ts.c | |
| parent | 2a5851d79b41074064776dc4c337a51fac8ab31c (diff) | |
| download | olio-linux-3.10-c7f8291a550870f3d4a67a4aba06acd4aa7c2034.tar.xz olio-linux-3.10-c7f8291a550870f3d4a67a4aba06acd4aa7c2034.zip | |
Input: atmel_mxt_ts - guard debug interface when in bootloader mode
Signed-off-by: Nick Dyer <nick.dyer@itdev.co.uk>
Diffstat (limited to 'drivers/input/touchscreen/atmel_mxt_ts.c')
| -rw-r--r-- | drivers/input/touchscreen/atmel_mxt_ts.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/input/touchscreen/atmel_mxt_ts.c b/drivers/input/touchscreen/atmel_mxt_ts.c index 2d61dbc7feb..349c9229973 100644 --- a/drivers/input/touchscreen/atmel_mxt_ts.c +++ b/drivers/input/touchscreen/atmel_mxt_ts.c @@ -3193,6 +3193,9 @@ static ssize_t mxt_debug_enable_store(struct device *dev, static int mxt_check_mem_access_params(struct mxt_data *data, loff_t off, size_t *count) { + if (data->in_bootloader) + return -EINVAL; + if (off >= data->mem_size) return -EIO; |