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multi_backend_destroy: fix trivial use-after-free

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This commit is contained in:
Dominique Martinet 2017-11-01 20:59:28 +01:00
parent 4f73498b78
commit 844b166c1b
1 changed files with 2 additions and 2 deletions
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4
backend/multi/backend.c
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@ -30,8 +30,8 @@ static bool multi_backend_start(struct wlr_backend *_backend) {
static void multi_backend_destroy(struct wlr_backend *_backend) { static void multi_backend_destroy(struct wlr_backend *_backend) {
struct wlr_multi_backend *backend = (struct wlr_multi_backend *)_backend; struct wlr_multi_backend *backend = (struct wlr_multi_backend *)_backend;
struct subbackend_state *sub; struct subbackend_state *sub, *next;
wl_list_for_each(sub, &backend->backends, link) { wl_list_for_each_safe(sub, next, &backend->backends, link) {
wlr_backend_destroy(sub->backend); wlr_backend_destroy(sub->backend);
free(sub); free(sub);
} }