From 5dfdab596ce5da7e547fd24ad040b1fa66a641f7 Mon Sep 17 00:00:00 2001 From: Samuel Ortiz 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 +++++++++++++++++++++ 1 file changed, 104 insertions(+) create mode 100644 meta/packages/udev/udev-115/udevtrigger_add_devname_filtering.patch (limited to 'meta/packages/udev/udev-115') 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 0000000000..87cafcaa9d --- /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= trigger devices from a matching subystem\n" + " --subsystem-nomatch= exclude devices from a matching subystem\n" ++ " --kernel-match= trigger devices from a matching kernel device name\n" ++ " --kernel-nomatch= exclude devices from a matching kernel device name\n" + " --attr-match=]> trigger devices with a matching sysfs\n" + " attribute\n" + " --attr-nomatch=]> 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); + -- cgit v1.2.3-54-g00ecf