diff options
| -rw-r--r-- | drivers/char/moxa.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/char/moxa.c b/drivers/char/moxa.c index 5e3ef5522194..f43c2e04eadd 100644 --- a/drivers/char/moxa.c +++ b/drivers/char/moxa.c @@ -1649,6 +1649,8 @@ int MoxaDriverIoctl(unsigned int cmd, unsigned long arg, int port) case MOXA_FIND_BOARD: case MOXA_LOAD_C320B: case MOXA_LOAD_CODE: + if (!capable(CAP_SYS_RAWIO)) + return -EPERM; break; } |