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gallium/u_threaded_context: fix use-after-free in transfer_unmap 

discovered by valgrind

Fixes: fd6a5e112a

Reviewed-by: Pierre-Eric Pelloux-Prayer <pierre-eric.pelloux-prayer@amd.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/6952>
This commit is contained in:
Marek Olšák 2020-10-05 12:02:19 -04:00 committed by Marge Bot
parent 706fef711b
commit 3dc00c33f0
1 changed files with 1 additions and 1 deletions
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2
src/gallium/auxiliary/util/u_threaded_context.c
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@ -1610,9 +1610,9 @@ tc_transfer_unmap(struct pipe_context *_pipe, struct pipe_transfer *transfer)
PIPE_MAP_DISCARD_RANGE)));
struct pipe_context *pipe = tc->pipe;
pipe->transfer_unmap(pipe, transfer);
util_range_add(&tres->b, tres->base_valid_buffer_range,
transfer->box.x, transfer->box.x + transfer->box.width);
pipe->transfer_unmap(pipe, transfer);
return;
}