Fedor Pchelkin 8108b176ea dma-mapping: benchmark: avoid needless copy_to_user if benchmark fails ...

[ Upstream commit f7c9ccaadf ]

If do_map_benchmark() has failed, there is nothing useful to copy back
to userspace.

Suggested-by: Barry Song <21cnbao@gmail.com>
Signed-off-by: Fedor Pchelkin <pchelkin@ispras.ru>
Acked-by: Robin Murphy <robin.murphy@arm.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>

2024-07-11 12:51:21 +02:00

..

coherent.c

dma-mapping: clear dev->dma_mem to NULL after freeing it

2023-12-15 12:32:45 +01:00

contiguous.c

mm/cma: drop CONFIG_CMA_DEBUG

2024-02-22 10:24:53 -08:00

debug.c

Merge tag 'dma-mapping-6.8-2024-01-18' of git://git.infradead.org/users/hch/dma-mapping

2024-01-18 16:49:34 -08:00

debug.h

dma-debug: teach add_dma_entry() about DMA_ATTR_SKIP_CPU_SYNC

2021-10-18 12:46:45 +02:00

direct.c

dma-direct: Leak pages on dma_set_decrypted() failure

2024-02-28 05:31:38 -08:00

direct.h

dma-mapping: fix dma_addressing_limited() if dma_range_map can't cover all system RAM

2023-11-06 08:38:16 +01:00

dummy.c

dma-mapping: return error code from dma_dummy_map_sg()

2021-08-09 17:13:06 +02:00

Kconfig

dma-direct: add a CONFIG_ARCH_HAS_DMA_ALLOC symbol

2023-10-22 16:38:54 +02:00

Makefile

dma-mapping: remove CONFIG_DMA_REMAP

2022-03-03 14:00:57 +03:00

map_benchmark.c

dma-mapping: benchmark: avoid needless copy_to_user if benchmark fails

2024-07-11 12:51:21 +02:00

mapping.c

dma-mapping: fix dma_addressing_limited() if dma_range_map can't cover all system RAM

2023-11-06 08:38:16 +01:00

ops_helpers.c

dma-mapping: handle vmalloc addresses in dma_common_{mmap,get_sgtable}

2021-07-16 11:30:26 +02:00

pool.c

mm, treewide: rename MAX_ORDER to MAX_PAGE_ORDER

2024-01-08 15:27:15 -08:00

remap.c

dma-remap: use kvmalloc_array/kvfree for larger dma memory remap

2023-06-07 15:06:28 +02:00

swiotlb.c

swiotlb: initialise restricted pool list_head when SWIOTLB_DYNAMIC=y

2024-05-02 14:57:04 +02:00