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zink: Do not access just freed zink_batch_state

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Cc: mesa-stable
Reviewed-by: Mike Blumenkrantz <michael.blumenkrantz@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/13370>
This commit is contained in:
Witold Baryluk
2021-10-15 00:29:47 +02:00
committed by Marge Bot
parent b2ef7e6d6b
commit 4d777631b5
1 changed files with 4 additions and 1 deletions
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src/gallium/drivers/zink/zink_context.c
+4 -1
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@@ -105,9 +105,12 @@ zink_context_destroy(struct pipe_context *pctx)
simple_mtx_destroy(&ctx->batch_mtx);
zink_clear_batch_state(ctx, ctx->batch.state);
zink_batch_state_destroy(screen, ctx->batch.state);
for (struct zink_batch_state *bs = ctx->batch_states; bs; bs = bs->next) {
struct zink_batch_state *bs = ctx->batch_states;
while (bs) {
struct zink_batch_state *bs_next = bs->next;
zink_clear_batch_state(ctx, bs);
zink_batch_state_destroy(screen, bs);
bs = bs_next;
}
util_dynarray_foreach(&ctx->free_batch_states, struct zink_batch_state*, bs) {
zink_clear_batch_state(ctx, *bs);