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authorBinbin Zhou <zhoubinbin@loongson.cn>2026-08-04 14:12:00 +0800
committerUlf Hansson <ulfh@kernel.org>2026-08-04 15:39:11 +0200
commit00179ed9fbe07799676e2cb63c4e7f0e7cd80a5c (patch)
treeb9a32693fda0ed6c3d51cdde320ae7fbc26f1a0b /tools/perf/scripts/python/stackcollapse.py
parentf64ea900e4bda3055ef24a2c906f8d049cf1c3bd (diff)
mmc: loongson2: Fix sg iteration in data reorder functions
In ls2k0500_mmc_reorder_cmd_data() and ls2k2000_mmc_reorder_cmd_data(), the for_each_sg() macro already iterates over the scatterlist entries, with 'sg' pointing to the current entry. However, the code incorrectly uses '&sg[i]' and 'sg_dma_len(&sg[i])' inside the loop, which treats 'sg' as an array base and indexes it again, leading to access of wrong sg entries (or out-of-bounds if the list is not an array). Cc: stable@vger.kernel.org Fixes: d0f8e961deae ("mmc: loongson2: Add Loongson-2K2000 SD/SDIO/eMMC controller driver") Fixes: 2115772014bd ("mmc: loongson2: Add Loongson-2K SD/SDIO controller driver") Signed-off-by: Binbin Zhou <zhoubinbin@loongson.cn> Signed-off-by: Ulf Hansson <ulfh@kernel.org>
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