[PATCH v3 0/4] Add missing fixes to FastRPC driver

Ling Xu quic_lxu5 at quicinc.com
Thu Aug 7 10:04:16 UTC 2025


This patch series adds the listed bug fixes that have been missing
in upstream fastRPC driver.
- Store actual size of map and check it against the user passed size.
- Consider map buf for map lookup.
- Fix possible map leak in fastrpc_put_args.
- Skip refcount increment for DMA handles.
Patch [v2]: https://lore.kernel.org/linux-arm-msm/20250806115114.688814-1-quic_lxu5@quicinc.com/

Changes in v3:
  - Remove the unused line.
Changes in v2:
  - Fix possible map leak in fastrpc_put_args.
  - Remove take_ref argument.

Ling Xu (4):
  misc: fastrpc: Save actual DMA size in fastrpc_map structure
  misc: fastrpc: Fix fastrpc_map_lookup operation
  misc: fastrpc: fix possible map leak in fastrpc_put_args
  misc: fastrpc: Skip reference for DMA handles

 drivers/misc/fastrpc.c | 89 +++++++++++++++++++++++++++---------------
 1 file changed, 58 insertions(+), 31 deletions(-)

-- 
2.34.1



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