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-rw-r--r--util-linux/mdev.c15
1 files changed, 11 insertions, 4 deletions
diff --git a/util-linux/mdev.c b/util-linux/mdev.c
index 0460aa7..78bb48a 100644
--- a/util-linux/mdev.c
+++ b/util-linux/mdev.c
@@ -420,10 +420,17 @@ int mdev_main(int argc UNUSED_PARAM, char **argv)
* /sys/block/loop* (for example) are symlinks to dirs,
* not real directories.
* (kernel's CONFIG_SYSFS_DEPRECATED makes them real dirs,
- * but we can't enforce that on users) */
- recursive_action("/sys/block",
- ACTION_RECURSE | ACTION_FOLLOWLINKS | ACTION_QUIET,
- fileAction, dirAction, temp, 0);
+ * but we can't enforce that on users)
+ */
+ if (access("/sys/class/block", F_OK) != 0) {
+ /* Scan obsolete /sys/block only if /sys/class/block
+ * doesn't exist. Otherwise we'll have dupes.
+ */
+ recursive_action("/sys/block",
+ ACTION_RECURSE | ACTION_FOLLOWLINKS,
+ // not needed now? | ACTION_QUIET
+ fileAction, dirAction, temp, 0);
+ }
recursive_action("/sys/class",
ACTION_RECURSE | ACTION_FOLLOWLINKS,
fileAction, dirAction, temp, 0);