From 5dfdab596ce5da7e547fd24ad040b1fa66a641f7 Mon Sep 17 00:00:00 2001
From: Samuel Ortiz <sameo@openedhand.com>
Date: Fri, 28 Sep 2007 17:47:54 +0000
Subject: udev-115: Kernel events filtering improvement.
In order to avoid creating dozens of ttys and ptys, we have to discard
some specific kernel events.
git-svn-id: https://svn.o-hand.com/repos/poky/trunk@2820 311d38ba-8fff-0310-9ca6-ca027cbcb966
---
.../udevtrigger_add_devname_filtering.patch | 104 +++++++++++++++++++++
meta/packages/udev/udev_115.bb | 1 +
2 files changed, 105 insertions(+)
create mode 100644 meta/packages/udev/udev-115/udevtrigger_add_devname_filtering.patch
(limited to 'meta')
diff --git a/meta/packages/udev/udev-115/udevtrigger_add_devname_filtering.patch b/meta/packages/udev/udev-115/udevtrigger_add_devname_filtering.patch
new file mode 100644
index 000000000..87cafcaa9
--- /dev/null
+++ b/meta/packages/udev/udev-115/udevtrigger_add_devname_filtering.patch
@@ -0,0 +1,104 @@
+---
+ udevtrigger.c | 40 ++++++++++++++++++++++++++++++++++++++++
+ 1 file changed, 40 insertions(+)
+
+Index: udev-115/udevtrigger.c
+===================================================================
+--- udev-115.orig/udevtrigger.c 2007-08-24 01:29:54.000000000 +0200
++++ udev-115/udevtrigger.c 2007-09-21 18:45:28.000000000 +0200
+@@ -39,6 +39,8 @@
+ LIST_HEAD(device_list);
+ LIST_HEAD(filter_subsystem_match_list);
+ LIST_HEAD(filter_subsystem_nomatch_list);
++LIST_HEAD(filter_kernel_match_list);
++LIST_HEAD(filter_kernel_nomatch_list);
+ LIST_HEAD(filter_attr_match_list);
+ LIST_HEAD(filter_attr_nomatch_list);
+
+@@ -218,6 +220,26 @@
+ return 0;
+ }
+
++static int kernel_filtered(const char *kernel)
++{
++ struct name_entry *loop_name;
++
++ /* skip devices matching the prohibited kernel device names */
++ list_for_each_entry(loop_name, &filter_kernel_nomatch_list, node)
++ if (fnmatch(loop_name->name, kernel, 0) == 0)
++ return 1;
++
++ /* skip devices not matching the listed kernel device names */
++ if (!list_empty(&filter_kernel_match_list)) {
++ list_for_each_entry(loop_name, &filter_kernel_match_list, node)
++ if (fnmatch(loop_name->name, kernel, 0) == 0)
++ return 0;
++ return 1;
++ }
++
++ return 0;
++}
++
+ static int attr_filtered(const char *path)
+ {
+ struct name_entry *loop_name;
+@@ -296,6 +318,9 @@
+ if (dent2->d_name[0] == '.')
+ continue;
+
++ if (kernel_filtered(dent2->d_name))
++ continue;
++
+ strlcpy(dirname2, dirname, sizeof(dirname2));
+ strlcat(dirname2, "/", sizeof(dirname2));
+ strlcat(dirname2, dent2->d_name, sizeof(dirname2));
+@@ -402,6 +427,9 @@
+ if (!strcmp(dent2->d_name, "device"))
+ continue;
+
++ if (kernel_filtered(dent2->d_name))
++ continue;
++
+ strlcpy(dirname2, dirname, sizeof(dirname2));
+ strlcat(dirname2, "/", sizeof(dirname2));
+ strlcat(dirname2, dent2->d_name, sizeof(dirname2));
+@@ -458,6 +486,8 @@
+ { "subsystem-nomatch", 1, NULL, 'S' },
+ { "attr-match", 1, NULL, 'a' },
+ { "attr-nomatch", 1, NULL, 'A' },
++ { "kernel-match", 1, NULL, 'k' },
++ { "kernel-nomatch", 1, NULL, 'K' },
+ {}
+ };
+
+@@ -496,6 +526,12 @@
+ case 'A':
+ name_list_add(&filter_attr_nomatch_list, optarg, 0);
+ break;
++ case 'k':
++ name_list_add(&filter_kernel_match_list, optarg, 0);
++ break;
++ case 'K':
++ name_list_add(&filter_kernel_nomatch_list, optarg, 0);
++ break;
+ case 'h':
+ printf("Usage: udevtrigger OPTIONS\n"
+ " --verbose print the list of devices while running\n"
+@@ -504,6 +540,8 @@
+ " marked as failed during a previous run\n"
+ " --subsystem-match=<subsystem> trigger devices from a matching subystem\n"
+ " --subsystem-nomatch=<subsystem> exclude devices from a matching subystem\n"
++ " --kernel-match=<subsystem> trigger devices from a matching kernel device name\n"
++ " --kernel-nomatch=<subsystem> exclude devices from a matching kernel device name\n"
+ " --attr-match=<file[=<value>]> trigger devices with a matching sysfs\n"
+ " attribute\n"
+ " --attr-nomatch=<file[=<value>]> exclude devices with a matching sysfs\n"
+@@ -549,6 +587,8 @@
+ exit:
+ name_list_cleanup(&filter_subsystem_match_list);
+ name_list_cleanup(&filter_subsystem_nomatch_list);
++ name_list_cleanup(&filter_kernel_match_list);
++ name_list_cleanup(&filter_kernel_nomatch_list);
+ name_list_cleanup(&filter_attr_match_list);
+ name_list_cleanup(&filter_attr_nomatch_list);
+
diff --git a/meta/packages/udev/udev_115.bb b/meta/packages/udev/udev_115.bb
index 642519967..f9cb63c55 100644
--- a/meta/packages/udev/udev_115.bb
+++ b/meta/packages/udev/udev_115.bb
@@ -9,6 +9,7 @@ SRC_URI = "http://kernel.org/pub/linux/utils/kernel/hotplug/udev-${PV}.tar.gz \
file://noasmlinkage.patch;patch=1 \
file://flags.patch;patch=1 \
file://vol_id_ld.patch;patch=1 \
+ file://udevtrigger_add_devname_filtering.patch;patch=1 \
file://mount.blacklist \
"
--
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