diff options
| -rw-r--r-- | fs/compat_ioctl.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/fs/compat_ioctl.c b/fs/compat_ioctl.c index c68b055fa26e..c5a4f5459a07 100644 --- a/fs/compat_ioctl.c +++ b/fs/compat_ioctl.c @@ -2396,6 +2396,14 @@ lp_timeout_trans(unsigned int fd, unsigned int cmd, unsigned long arg) #define ULONG_IOCTL(cmd) \ { (cmd), (ioctl_trans_handler_t)sys_ioctl }, +/* ioctl should not be warned about even if it's not implemented. + Valid reasons to use this: + - It is implemented with ->compat_ioctl on some device, but programs + call it on others too. + - The ioctl is not implemented in the native kernel, but programs + call it commonly anyways. + Most other reasons are not valid. */ +#define IGNORE_IOCTL(cmd) COMPATIBLE_IOCTL(cmd) struct ioctl_trans ioctl_start[] = { #include <linux/compat_ioctl.h> |