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| author | Masami Hiramatsu (Google) <mhiramat@kernel.org> | 2025-06-12 20:26:10 +0900 |
|---|---|---|
| committer | Ulf Hansson <ulf.hansson@linaro.org> | 2025-06-19 13:00:40 +0200 |
| commit | f5de469990f19569627ea0dd56536ff5a13beaa3 (patch) | |
| tree | 7daf88f070f0e9820d77af88ab95abc52152e956 /scripts/gdb/linux/utils.py | |
| parent | 539d80575b810c7a5987c7ac8915e3bc99c03695 (diff) | |
mtk-sd: Prevent memory corruption from DMA map failure
If msdc_prepare_data() fails to map the DMA region, the request is
not prepared for data receiving, but msdc_start_data() proceeds
the DMA with previous setting.
Since this will lead a memory corruption, we have to stop the
request operation soon after the msdc_prepare_data() fails to
prepare it.
Signed-off-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Fixes: 208489032bdd ("mmc: mediatek: Add Mediatek MMC driver")
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/174972756982.3337526.6755001617701603082.stgit@mhiramat.tok.corp.google.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Diffstat (limited to 'scripts/gdb/linux/utils.py')
0 files changed, 0 insertions, 0 deletions