udev - drop print_kmsg

The only remaining user was 'starting version XXX', which is now logged using log_info().

src/libudev/libudev-private.h

@@ -170,6 +170,5 @@ int util_delete_path(struct udev *udev, const char *path);
 uid_t util_lookup_user(struct udev *udev, const char *user);
 gid_t util_lookup_group(struct udev *udev, const char *group);
 int util_resolve_subsys_kernel(struct udev *udev, const char *string, char *result, size_t maxsize, int read_value);
-ssize_t print_kmsg(const char *fmt, ...) _printf_(1, 2);
 
 #endif

src/libudev/libudev-util.c

@@ -415,28 +415,3 @@ uint64_t util_string_bloom64(const char *str)
         bits |= 1LLU << ((hash >> 18) & 63);
         return bits;
 }
-
-ssize_t print_kmsg(const char *fmt, ...)
-{
-        _cleanup_close_ int fd = -1;
-        va_list ap;
-        char text[1024];
-        ssize_t len;
-        ssize_t ret;
-
-        fd = open("/dev/kmsg", O_WRONLY|O_NOCTTY|O_CLOEXEC);
-        if (fd < 0)
-                return -errno;
-
-        len = snprintf(text, sizeof(text), "<30>systemd-udevd[%u]: ", getpid());
-
-        va_start(ap, fmt);
-        len += vsnprintf(text + len, sizeof(text) - len, fmt, ap);
-        va_end(ap);
-
-        ret = write(fd, text, len);
-        if (ret < 0)
-                return -errno;
-
-        return ret;
-}

src/udev/udevd.c

@@ -1200,7 +1200,7 @@ int main(int argc, char *argv[]) {
                 sd_notify(1, "READY=1");
         }
 
-        print_kmsg("starting version " VERSION "\n");
+        log_info("starting version " VERSION "\n");
 
         if (!debug) {
                 int fd;