login: we only allow opening character devices

We already don't allow directly opening block devices attached to the seat.
They are handled by udisks instead.  Clarify the code used when restarting
logind.

diff --git a/src/login/logind.c b/src/login/logind.c
index 5220861c1d384b42120289b261076a020cf1ea3c..373e43e1f79bd42212700d8fd0f0b6553b331683 100644 (file)
--- a/src/login/logind.c
+++ b/src/login/logind.c
@@ -453,8 +453,8 @@ static int manager_attach_fds(Manager *m) {
                         continue;
                 }
 
-                if (!S_ISCHR(st.st_mode) && !S_ISBLK(st.st_mode)) {
-                        log_debug("Device fd doesn't actually point to device node: %m");
+                if (!S_ISCHR(st.st_mode)) {
+                        log_debug("Device fd doesn't point to a character device node");
                         close_nointr(fd);
                         continue;
                 }