dm ioctl: constify ioctl lookup table

Constify the lookup table for device-mapper ioctls so that it is placed
in .rodata.

Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
This commit is contained in:
Eric Biggers 2017-06-22 11:33:47 -07:00 committed by Mike Snitzer
parent 5916a22b83
commit cf0dec6674

View File

@ -1629,7 +1629,7 @@ static int target_message(struct file *filp, struct dm_ioctl *param, size_t para
*---------------------------------------------------------------*/ *---------------------------------------------------------------*/
static ioctl_fn lookup_ioctl(unsigned int cmd, int *ioctl_flags) static ioctl_fn lookup_ioctl(unsigned int cmd, int *ioctl_flags)
{ {
static struct { static const struct {
int cmd; int cmd;
int flags; int flags;
ioctl_fn fn; ioctl_fn fn;