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Fan Wu
4409154992
dmaengine_terminate_all() does not wait for a running callback, so the TX
callback can still touch the TX buffer after it is freed. The RX poll
timer reads the RX buffers without the port lock.
Switch to dmaengine_terminate_sync() and delete the RX timer before
freeing the buffers.
Fixes: ead76f329f ("ARM: 6763/1: pl011: add optional RX DMA to PL011 v2")
Cc: stable <[email protected]>
Assisted-by: Codex:gpt-5.6
Signed-off-by: Fan Wu <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Greg Kroah-Hartman <[email protected]>