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 79e490ef2cf2..68844439b59b 100644 --- a/drivers/char/moxa.c +++ b/drivers/char/moxa.c @@ -1661,6 +1661,8 @@ 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; } |