diff options
| -rw-r--r-- | toys/posix/ps.c | 17 |
1 files changed, 9 insertions, 8 deletions
diff --git a/toys/posix/ps.c b/toys/posix/ps.c index a0dc53f5..aef2a7f7 100644 --- a/toys/posix/ps.c +++ b/toys/posix/ps.c @@ -915,15 +915,16 @@ static int get_threads(struct dirtree *new) // Save or display if (!TT.show_process) return DIRTREE_SAVE; TT.show_process((void *)new->extra); - dt = new->child; - new->child = 0; - while (dt->child) { - new = dt->child->next; - TT.show_process((void *)dt->child->extra); - free(dt->child); - dt->child = new; + if ((dt = new->child)) { + new->child = 0; + while (dt->child) { + new = dt->child->next; + TT.show_process((void *)dt->child->extra); + free(dt->child); + dt->child = new; + } + free(dt); } - free(dt); return 0; } |