systemctl: avoid crash when pattern expands to empty unit list

Fixes #19652.

diff --git a/src/systemctl/systemctl-edit.c b/src/systemctl/systemctl-edit.c
index 6e7c67ef2f27b54fe82a5b755e56bc8db5d5d934..87650850fe39d79777e1ed3b573dd1b7666759e1 100644 (file)
--- a/src/systemctl/systemctl-edit.c
+++ b/src/systemctl/systemctl-edit.c
@@ -526,6 +526,8 @@ int edit(int argc, char *argv[], void *userdata) {
         r = expand_unit_names(bus, strv_skip(argv, 1), NULL, &names, NULL);
         if (r < 0)
                 return log_error_errno(r, "Failed to expand names: %m");
+        if (strv_isempty(names))
+                return log_error_errno(SYNTHETIC_ERRNO(ENOENT), "No units matched the specified patterns.");
 
         STRV_FOREACH(tmp, names) {
                 r = unit_is_masked(bus, &lp, *tmp);