getty-generator: fix segfault when $container_ttys is not set

2013-12-13 20:36:02 +01:00 · 2013-12-13 20:36:02 +01:00 · 207d1d0922
parent 9d3e3aa58d
commit 207d1d0922
1 changed files with 1 additions and 1 deletions
--- a/src/getty-generator/getty-generator.c
+++ b/src/getty-generator/getty-generator.c
@ -130,7 +130,7 @@ int main(int argc, char *argv[]) {
                 * the variable name we only support ptys here. */

                r = getenv_for_pid(1, "container_ttys", &container_ttys);
-                if (r >= 0) {
+                if (r > 0) {
                        char *w, *state;
                        size_t l;