diff options
author | Kay Sievers <kay.sievers@vrfy.org> | 2009-04-16 22:34:26 +0200 |
---|---|---|
committer | Kay Sievers <kay.sievers@vrfy.org> | 2009-04-16 22:34:26 +0200 |
commit | b44b7f884136e1ef4452818ed514a5d7e51567f1 (patch) | |
tree | 4babf8491183da6b65192f88c2c23e15c732b374 /udev | |
parent | ff109b8ded61ad1241843090dea2a367572ac375 (diff) |
udevd: log error for too old kernels or CONFIG_SYSFS_DEPRECATED
Diffstat (limited to 'udev')
-rw-r--r-- | udev/udevd.c | 52 |
1 files changed, 30 insertions, 22 deletions
diff --git a/udev/udevd.c b/udev/udevd.c index 6de1196421..1aa50eb74c 100644 --- a/udev/udevd.c +++ b/udev/udevd.c @@ -295,7 +295,7 @@ static void event_queue_insert(struct udev_event *event) static int mem_size_mb(void) { - FILE* f; + FILE *f; char buf[4096]; long int memsize = -1; @@ -708,6 +708,34 @@ static void export_initial_seqnum(struct udev *udev) } } +static void startup_log(struct udev *udev) +{ + FILE *f; + char path[UTIL_PATH_SIZE]; + struct stat statbuf; + + f = fopen("/dev/kmsg", "w"); + if (f != NULL) + fprintf(f, "<6>udev: starting version " VERSION "\n"); + + util_strlcpy(path, udev_get_sys_path(udev), sizeof(path)); + util_strlcat(path, "/class/mem/null", sizeof(path)); + if (lstat(path, &statbuf) == 0 && S_ISDIR(statbuf.st_mode)) { + const char *depr_str = + "udev: missing sysfs features; please update the kernel " + "or disable the kernel's CONFIG_SYSFS_DEPRECATED option; " + "udev may fail to work correctly"; + + if (f != NULL) + fprintf(f, "<3>%s\n", depr_str); + err(udev, "%s\n", depr_str); + sleep(3); + } + + if (f != NULL) + fclose(f); +} + int main(int argc, char *argv[]) { struct udev *udev; @@ -875,27 +903,7 @@ int main(int argc, char *argv[]) close(fd); } - fd = open("/dev/kmsg", O_WRONLY); - if (fd > 0) { - 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; update the kernel or " - "disable CONFIG_SYSFS_DEPRECATED; some udev features will " - "not work correctly\n"; - - write(fd, depr_str, strlen(depr_str)); - } - } - close(fd); - } + startup_log(udev); /* set signal handlers */ memset(&act, 0x00, sizeof(struct sigaction)); |