dma-buf: Move dma_buf_attach() to dynamic locking specification

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Move dma-buf attachment API functions to the dynamic locking specification
by taking the reservation lock around the mapping operations. The strict
locking convention prevents deadlock situations for dma-buf importers and
exporters.

Acked-by: Sumit Semwal <sumit.semwal@linaro.org>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Dmitry Osipenko <dmitry.osipenko@collabora.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20221017172229.42269-17-dmitry.osipenko@collabora.com

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Dmitry Osipenko 2022-10-17 20:22:24 +03:00

parent 34c7797f9e

commit 809d9c72c2

1 changed files with 8 additions and 12 deletions

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drivers/dma-buf/dma-buf.c

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