diff options
Diffstat (limited to 'sys/fs')
| -rw-r--r-- | sys/fs/specfs/spec_vnops.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/sys/fs/specfs/spec_vnops.c b/sys/fs/specfs/spec_vnops.c index 3ee0f0b3d3d3..0384da1ae44a 100644 --- a/sys/fs/specfs/spec_vnops.c +++ b/sys/fs/specfs/spec_vnops.c @@ -166,6 +166,7 @@ spec_open(ap) dev_t bdev, dev = vp->v_rdev; int error; struct cdevsw *dsw; + const char *cp; /* * Don't allow open if fs is mounted -nodev. @@ -256,6 +257,14 @@ spec_open(ap) if (!dev->si_bsize_phys) dev->si_bsize_phys = DEV_BSIZE; } + if ((dsw->d_flags & D_DISK) == 0) { + cp = devtoname(dev); + if (*cp == '#' && (dsw->d_flags & D_NAGGED) == 0) { + printf("WARNING: driver %s should register devices with make_dev() (dev_t = \"%s\")\n", + dsw->d_name, cp); + dsw->d_flags |= D_NAGGED; + } + } return (error); } |