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Diffstat (limited to 'udev_db.c')
-rw-r--r--udev_db.c29
1 files changed, 20 insertions, 9 deletions
diff --git a/udev_db.c b/udev_db.c
index 5ac016a051..728d74a030 100644
--- a/udev_db.c
+++ b/udev_db.c
@@ -275,8 +275,7 @@ int udev_db_lookup_name(const char *name, char *devpath, size_t len)
while (!found) {
struct dirent *ent;
char device[PATH_SIZE];
- char filename[PATH_SIZE];
- struct stat statbuf;
+ struct udevice *udev;
ent = readdir(dir);
if (ent == NULL || ent->d_name[0] == '\0')
@@ -286,15 +285,27 @@ int udev_db_lookup_name(const char *name, char *devpath, size_t len)
strlcpy(device, ent->d_name, sizeof(device));
path_decode(device);
-
- dbg("looking at '%s'", device);
- strlcpy(filename, sysfs_path, sizeof(filename));
- strlcat(filename, device, sizeof(filename));
- if (stat(filename, &statbuf) == 0) {
- strlcpy(devpath, device, len);
- found = 1;
+ udev = udev_device_init();
+ if (udev == NULL)
break;
+ if (udev_db_get_device(udev, device) == 0) {
+ char filename[PATH_SIZE];
+ struct stat statbuf;
+
+ info("found db entry '%s'", device);
+ strlcpy(filename, udev_root, sizeof(filename));
+ strlcat(filename, "/", sizeof(filename));
+ strlcat(filename, name, sizeof(filename));
+ /* make sure device entry matches dev_t */
+ if (stat(filename, &statbuf) == 0) {
+ if (statbuf.st_rdev == udev->devt) {
+ info("node '%s' matches dev_t", udev->name);
+ strlcpy(devpath, device, len);
+ found = 1;
+ }
+ }
}
+ udev_device_cleanup(udev);
}
closedir(dir);