virgl: Bail out on file descriptor duplication failure

Do not try to use a negative file descriptor. CID: 1465120 Argument cannot be negative Signed-off-by: Corentin Noël <corentin.noel@collabora.com> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/34816>
2025-05-05 15:58:00 +02:00
parent 965f41b550
commit 77c0ff9fc7
1 changed files with 2 additions and 0 deletions
@@ -1364,6 +1364,8 @@ virgl_drm_screen_create(int fd, const struct pipe_screen_config *config)
   } else {
      struct virgl_winsys *vws;
      int dup_fd = os_dupfd_cloexec(fd);
+      if (dup_fd < 0)
+         goto unlock;

      vws = virgl_drm_winsys_create(dup_fd);
      if (!vws) {