From: Kay Sievers <kay.sievers@vrfy.org>
Date: Tue, 13 Mar 2012 11:55:53 +0000 (+0100)
Subject: extras: path_id - add comment about readdir() rebase logic
X-Git-Tag: 182~4
X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=commitdiff_plain;h=746b5152cc15eb8c67bdfb5e17f8fc836cde9759

extras: path_id - add comment about readdir() rebase logic
---

diff --git a/src/udev-builtin-path_id.c b/src/udev-builtin-path_id.c
index 5de72194a..a8559d2dd 100644
--- a/src/udev-builtin-path_id.c
+++ b/src/udev-builtin-path_id.c
@@ -265,6 +265,11 @@ static struct udev_device *handle_scsi_default(struct udev_device *parent, char
                 i = strtoul(&dent->d_name[4], &rest, 10);
                 if (rest[0] != '\0')
                         continue;
+                /*
+                 * find the smallest number; the host really needs to export its
+                 * own instance number per parent device; relying on the global host
+                 * enumeration and plainly rebasing the numbers sounds unreliable
+                 */
                 if (basenum == -1 || i < basenum)
                         basenum = i;
         }