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Diffstat (limited to 'sys/netsmb')
-rw-r--r--sys/netsmb/smb_dev.c26
1 files changed, 19 insertions, 7 deletions
diff --git a/sys/netsmb/smb_dev.c b/sys/netsmb/smb_dev.c
index 084536350bb7..458f4ff23072 100644
--- a/sys/netsmb/smb_dev.c
+++ b/sys/netsmb/smb_dev.c
@@ -89,28 +89,38 @@ int smb_dev_queue(struct smb_dev *ndp, struct smb_rq *rqp, int prio);
static struct cdevsw nsmb_cdevsw = {
.d_version = D_VERSION,
- .d_flags = D_NEEDGIANT,
+ .d_flags = D_NEEDGIANT | D_NEEDMINOR,
.d_open = nsmb_dev_open,
.d_close = nsmb_dev_close,
.d_ioctl = nsmb_dev_ioctl,
.d_name = NSMB_NAME
};
-static eventhandler_tag nsmb_dev_tag;
+static eventhandler_tag nsmb_dev_tag;
+static struct clonedevs *nsmb_clones;
static void
nsmb_dev_clone(void *arg, struct ucred *cred, char *name, int namelen,
struct cdev **dev)
{
- int u;
+ int i, u;
if (*dev != NULL)
return;
- if (dev_stdclone(name, NULL, NSMB_NAME, &u) != 1)
+
+ if (strcmp(name, NSMB_NAME) == 0)
+ u = -1;
+ else if (dev_stdclone(name, NULL, NSMB_NAME, &u) != 1)
return;
- *dev = make_dev(&nsmb_cdevsw, u, 0, 0, 0600,
- NSMB_NAME"%d", u);
- dev_ref(*dev);
+ i = clone_create(&nsmb_clones, &nsmb_cdevsw, &u, dev, 0);
+ if (i) {
+ *dev = make_dev(&nsmb_cdevsw, u, UID_ROOT, GID_WHEEL, 0600,
+ "%s%d", NSMB_NAME, u);
+ if (*dev != NULL) {
+ dev_ref(*dev);
+ (*dev)->si_flags |= SI_CHEAPCLONE;
+ }
+ }
}
static int
@@ -340,6 +350,7 @@ nsmb_dev_load(module_t mod, int cmd, void *arg)
smb_sm_done();
break;
}
+ clone_setup(&nsmb_clones);
nsmb_dev_tag = EVENTHANDLER_REGISTER(dev_clone, nsmb_dev_clone, 0, 1000);
printf("netsmb_dev: loaded\n");
break;
@@ -350,6 +361,7 @@ nsmb_dev_load(module_t mod, int cmd, void *arg)
break;
EVENTHANDLER_DEREGISTER(dev_clone, nsmb_dev_tag);
drain_dev_clone_events();
+ clone_cleanup(&nsmb_clones);
destroy_dev_drain(&nsmb_cdevsw);
printf("netsmb_dev: unloaded\n");
break;