diff options
Diffstat (limited to 'udevinfo.c')
| -rw-r--r-- | udevinfo.c | 18 |
1 files changed, 12 insertions, 6 deletions
diff --git a/udevinfo.c b/udevinfo.c index 3f25be03f8..4b4876cc11 100644 --- a/udevinfo.c +++ b/udevinfo.c @@ -173,13 +173,17 @@ static void export_db(void) { static int lookup_device_by_name(struct udevice *udev, const char *name) { LIST_HEAD(name_list); + int count; struct name_entry *device; int rc = -1; - if (udev_db_get_devices_by_name(name, &name_list) <= 0) + count = udev_db_get_devices_by_name(name, &name_list); + if (count <= 0) goto out; - /* select the device that matches the dev_t of name */ + info("found %i devices for '%s'", count, name); + + /* select the device that seems to match */ list_for_each_entry(device, &name_list, node) { char filename[PATH_SIZE]; struct stat statbuf; @@ -189,16 +193,18 @@ static int lookup_device_by_name(struct udevice *udev, const char *name) continue; info("found db entry '%s'", device->name); + /* make sure, we don't get a link of a differnt device */ strlcpy(filename, udev_root, sizeof(filename)); strlcat(filename, "/", sizeof(filename)); strlcat(filename, name, sizeof(filename)); if (stat(filename, &statbuf) != 0) continue; - if (statbuf.st_rdev == udev->devt) { - info("found '%s', dev_t matches", udev->name); - rc = 0; - break; + if (major(udev->devt) > 0 && udev->devt != statbuf.st_rdev) { + info("skip '%s', dev_t doesn't match", udev->name); + continue; } + rc = 0; + break; } out: name_list_cleanup(&name_list); |