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| author | Baochen Qiang <quic_bqiang@quicinc.com> | 2025-03-07 11:03:50 +0800 |
|---|---|---|
| committer | Marek Szyprowski <m.szyprowski@samsung.com> | 2025-03-12 13:41:44 +0100 |
| commit | 8324993f60305e50f27b98358b01b9837e10d159 (patch) | |
| tree | 1cec449bb494b1631894e046c5a2a5003f68b56e /scripts/package/Makefile | |
| parent | 2014c95afecee3e76ca4a56956a936e23283f05b (diff) | |
| download | linux-8324993f60305e50f27b98358b01b9837e10d159.tar.gz linux-8324993f60305e50f27b98358b01b9837e10d159.tar.bz2 linux-8324993f60305e50f27b98358b01b9837e10d159.zip | |
dma-mapping: fix missing clear bdr in check_ram_in_range_map()
As discussed in [1], if 'bdr' is set once, it would never get
cleared, hence 0 is always returned.
Refactor the range check hunk into a new helper dma_find_range(),
which allows 'bdr' to be cleared in each iteration.
Link: https://lore.kernel.org/all/64931fac-085b-4ff3-9314-84bac2fa9bdb@quicinc.com/ # [1]
Fixes: a409d9600959 ("dma-mapping: fix dma_addressing_limited() if dma_range_map can't cover all system RAM")
Suggested-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Baochen Qiang <quic_bqiang@quicinc.com>
Link: https://lore.kernel.org/r/20250307030350.69144-1-quic_bqiang@quicinc.com
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Diffstat (limited to 'scripts/package/Makefile')
0 files changed, 0 insertions, 0 deletions