From f13e4c36c2246eba5afae482c9bb60dc8c0b719d Mon Sep 17 00:00:00 2001 From: Kay Sievers Date: Wed, 1 Oct 2008 19:00:55 +0200 Subject: udevd: print warning if CONFIG_SYSFS_DEPRECATED is used Future udev versions will depend on the current sysfs layout, which includes features which are not available in the deprecated mode. --- udev/udevd.c | 18 +++++++++++++++--- 1 file changed, 15 insertions(+), 3 deletions(-) (limited to 'udev/udevd.c') diff --git a/udev/udevd.c b/udev/udevd.c index 1f8483c301..9783fe4e7c 100644 --- a/udev/udevd.c +++ b/udev/udevd.c @@ -953,9 +953,21 @@ int main(int argc, char *argv[]) fd = open("/dev/kmsg", O_WRONLY); if (fd > 0) { - const char *str = "<6>udevd version " VERSION " started\n"; - - write(fd, str, strlen(str)); + const char *ver_str = "<6>udev: starting version " VERSION "\n"; + char path[UTIL_PATH_SIZE]; + struct stat statbuf; + + write(fd, ver_str, strlen(ver_str)); + util_strlcpy(path, udev_get_sys_path(udev), sizeof(path)); + util_strlcat(path, "/class/mem/null", sizeof(path)); + if (lstat(path, &statbuf) == 0) { + if (S_ISDIR(statbuf.st_mode)) { + const char *depr_str = "<6>udev: deprecated sysfs layout " + "(CONFIG_SYSFS_DEPRECATED) is unsupported\n"; + + write(fd, depr_str, strlen(depr_str)); + } + } close(fd); } -- cgit v1.2.3-54-g00ecf