diff options
Diffstat (limited to 'udev/lib/libudev-enumerate.c')
| -rw-r--r-- | udev/lib/libudev-enumerate.c | 20 |
1 files changed, 14 insertions, 6 deletions
diff --git a/udev/lib/libudev-enumerate.c b/udev/lib/libudev-enumerate.c index 0377649cfd..7d2d592c92 100644 --- a/udev/lib/libudev-enumerate.c +++ b/udev/lib/libudev-enumerate.c @@ -200,7 +200,8 @@ static int match_attr(struct udev_enumerate *udev_enumerate, const char *syspath return 1; } -static int scan_dir_and_add_devices(struct udev_enumerate *udev_enumerate, const char *basedir, const char *subdir1, const char *subdir2) +static int scan_dir_and_add_devices(struct udev_enumerate *udev_enumerate, + const char *basedir, const char *subdir1, const char *subdir2) { struct udev *udev = udev_enumerate_get_udev(udev_enumerate); char path[UTIL_PATH_SIZE]; @@ -231,11 +232,16 @@ static int scan_dir_and_add_devices(struct udev_enumerate *udev_enumerate, const util_strlcpy(syspath, path, sizeof(syspath)); util_strlcat(syspath, "/", sizeof(syspath)); util_strlcat(syspath, dent->d_name, sizeof(syspath)); + if (lstat(syspath, &statbuf) != 0) + continue; + if (S_ISREG(statbuf.st_mode)) + continue; + if (S_ISLNK(statbuf.st_mode)) + util_resolve_sys_link(udev, syspath, sizeof(syspath)); util_strlcpy(filename, syspath, sizeof(filename)); util_strlcat(filename, "/uevent", sizeof(filename)); if (stat(filename, &statbuf) != 0) continue; - util_resolve_sys_link(udev, syspath, sizeof(syspath)); if (!match_attr(udev_enumerate, syspath)) continue; list_entry_add(udev, &udev_enumerate->devices_list, syspath, NULL, 1, 1); @@ -262,7 +268,7 @@ static int match_subsystem(struct udev_enumerate *udev_enumerate, const char *su return 1; } -static int scan_dir(struct udev_enumerate *udev_enumerate, const char *basedir, const char *subdir, const char *match) +static int scan_dir(struct udev_enumerate *udev_enumerate, const char *basedir, const char *subdir, const char *subsystem) { struct udev *udev = udev_enumerate_get_udev(udev_enumerate); @@ -279,7 +285,7 @@ static int scan_dir(struct udev_enumerate *udev_enumerate, const char *basedir, for (dent = readdir(dir); dent != NULL; dent = readdir(dir)) { if (dent->d_name[0] == '.') continue; - if (!match_subsystem(udev_enumerate, match != NULL ? match : dent->d_name)) + if (!match_subsystem(udev_enumerate, subsystem != NULL ? subsystem : dent->d_name)) continue; scan_dir_and_add_devices(udev_enumerate, basedir, dent->d_name, subdir); } @@ -400,7 +406,9 @@ int udev_enumerate_scan_subsystems(struct udev_enumerate *udev_enumerate) info(udev, "searching '%s/*' dir\n", subsysdir); scan_dir_and_add_devices(udev_enumerate, subsysdir, NULL, NULL); } - info(udev, "searching '%s/*/drivers/*' dir\n", subsysdir); - scan_dir(udev_enumerate, subsysdir, "drivers", "drivers"); + if (match_subsystem(udev_enumerate, "drivers")) { + info(udev, "searching '%s/*/drivers/*' dir\n", subsysdir); + scan_dir(udev_enumerate, subsysdir, "drivers", "drivers"); + } return 0; } |