diff options
Diffstat (limited to 'sys/kern/subr_bus.c')
| -rw-r--r-- | sys/kern/subr_bus.c | 22 |
1 files changed, 16 insertions, 6 deletions
diff --git a/sys/kern/subr_bus.c b/sys/kern/subr_bus.c index 6ccda55..1a22efe 100644 --- a/sys/kern/subr_bus.c +++ b/sys/kern/subr_bus.c @@ -5003,6 +5003,18 @@ bus_free_resource(device_t dev, int type, struct resource *r) return (bus_release_resource(dev, type, rman_get_rid(r), r)); } +device_t +device_lookup_by_name(const char *name) +{ + device_t dev; + + TAILQ_FOREACH(dev, &bus_data_devices, devlink) { + if (dev->nameunit != NULL && strcmp(dev->nameunit, name) == 0) + return (dev); + } + return (NULL); +} + /* * /dev/devctl2 implementation. The existing /dev/devctl device has * implicit semantics on open, so it could not be reused for this. @@ -5023,12 +5035,10 @@ find_device(struct devreq *req, device_t *devp) * Second, try to find an attached device whose name matches * 'name'. */ - TAILQ_FOREACH(dev, &bus_data_devices, devlink) { - if (dev->nameunit != NULL && - strcmp(dev->nameunit, req->dr_name) == 0) { - *devp = dev; - return (0); - } + dev = device_lookup_by_name(req->dr_name); + if (dev != NULL) { + *devp = dev; + return (0); } /* Finally, give device enumerators a chance. */ |
