systemd/0046-libudev-enumerate-do-not-try-to-match-against-an-emp.patch
Harald Hoyer db3a9fa0d9 systemd-206-11
- support "debug" kernel command line parameter
- journald: fix fd leak in journal_file_empty
- journald: fix vacuuming of archived journals
- libudev: enumerate - do not try to match against an empty subsystem
- cgtop: fixup the online help
- libudev: fix memleak when enumerating childs
2013-09-06 07:47:41 +02:00

39 lines
1.5 KiB
Diff

From 138ef72fbc2264a341873c1cf8c771c1c143922a Mon Sep 17 00:00:00 2001
From: Kay Sievers <kay@vrfy.org>
Date: Wed, 4 Sep 2013 17:59:14 +0200
Subject: [PATCH] libudev: enumerate - do not try to match against an empty
subsystem
---
src/libudev/libudev-enumerate.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/src/libudev/libudev-enumerate.c b/src/libudev/libudev-enumerate.c
index 385829d..bc1e37d 100644
--- a/src/libudev/libudev-enumerate.c
+++ b/src/libudev/libudev-enumerate.c
@@ -721,12 +721,14 @@ static bool match_subsystem(struct udev_enumerate *udev_enumerate, const char *s
{
struct udev_list_entry *list_entry;
- subsystem = subsystem ? : "";
+ if (!subsystem)
+ return false;
udev_list_entry_foreach(list_entry, udev_list_get_entry(&udev_enumerate->subsystem_nomatch_list)) {
if (fnmatch(udev_list_entry_get_name(list_entry), subsystem, 0) == 0)
return false;
}
+
if (udev_list_get_entry(&udev_enumerate->subsystem_match_list) != NULL) {
udev_list_entry_foreach(list_entry, udev_list_get_entry(&udev_enumerate->subsystem_match_list)) {
if (fnmatch(udev_list_entry_get_name(list_entry), subsystem, 0) == 0)
@@ -734,6 +736,7 @@ static bool match_subsystem(struct udev_enumerate *udev_enumerate, const char *s
}
return false;
}
+
return true;
}