Nickolay Savchenko 7c2586ffe7 ramips: fix frame engine DMA length cleanup ...

fe_txd_unmap() uses dma_len0 and dma_len1 to decide whether each TX
mapping must be passed to dma_unmap_page().  After unmapping, however,
the code passed the dma_addr0 and dma_addr1 field identifiers to
dma_unmap_len_set().

This leaves the actual length fields unchanged.  A reused descriptor
slot can therefore retain a non-zero length and attempt to unmap an old
DMA mapping again.

Clear dma_len0 and dma_len1 after the mappings have been released.

Signed-off-by: Nickolay Savchenko <n.savchenko@axioma.lv>
Link: https://github.com/openwrt/openwrt/pull/24268
Signed-off-by: Jonas Jelonek <jelonek.jonas@gmail.com>

2026-07-20 15:48:26 +02:00

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imagebuilder

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linux

ramips: fix frame engine DMA length cleanup

2026-07-20 15:48:26 +02:00

llvm-bpf

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sdk

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toolchain

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Config.in

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Makefile

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