log_error() if inotify_add_watch() fails

[zj: Reworded message s/to watch/to add watch on/ to make it clear
     that it was the watch init action that failed, and not the
     "process of watching". I think this way it'll be clearer to
     people who don't know what inotify does.]

1 files changed, 3 insertions, 0 deletions

diff --git a/src/login/sd-login.c b/src/login/sd-login.c
index b81dddf86b..865527f8dd 100644
--- a/src/login/sd-login.c
+++ b/src/login/sd-login.c
@@ -733,6 +733,7 @@ _public_ int sd_login_monitor_new(const char *category, sd_login_monitor **m) {
         if (!category || streq(category, "seat")) {
                 k = inotify_add_watch(fd, "/run/systemd/seats/", IN_MOVED_TO|IN_DELETE);
                 if (k < 0) {
+                        log_error("Failed to add watch on /run/systemd/seats/: %m");
                         close_nointr_nofail(fd);
                         return -errno;
                 }
@@ -743,6 +744,7 @@ _public_ int sd_login_monitor_new(const char *category, sd_login_monitor **m) {
         if (!category || streq(category, "session")) {
                 k = inotify_add_watch(fd, "/run/systemd/sessions/", IN_MOVED_TO|IN_DELETE);
                 if (k < 0) {
+                        log_error("Failed to add watch on /run/systemd/sessions/: %m");
                         close_nointr_nofail(fd);
                         return -errno;
                 }
@@ -753,6 +755,7 @@ _public_ int sd_login_monitor_new(const char *category, sd_login_monitor **m) {
         if (!category || streq(category, "uid")) {
                 k = inotify_add_watch(fd, "/run/systemd/users/", IN_MOVED_TO|IN_DELETE);
                 if (k < 0) {
+                        log_error("Failed to add watch on /run/systemd/users/: %m");
                         close_nointr_nofail(fd);
                         return -errno;
                 }