Joakim Zhang 5ef6f81c32 dma-mapping: clear dev->dma_mem to NULL after freeing it ... [ Upstream commit b07bc23476 ] Reproduced with below sequence: dma_declare_coherent_memory()->dma_release_coherent_memory() ->dma_declare_coherent_memory()->"return -EBUSY" error It will return -EBUSY from the dma_assign_coherent_memory() in dma_declare_coherent_memory(), the reason is that dev->dma_mem pointer has not been set to NULL after it's freed. Fixes: cf65a0f6f6 ("dma-mapping: move all DMA mapping code to kernel/dma") Signed-off-by: Joakim Zhang <joakim.zhang@cixtech.com> Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Sasha Levin <sashal@kernel.org>		2024-01-25 14:33:34 -08:00
..
coherent.c	dma-mapping: clear dev->dma_mem to NULL after freeing it	2024-01-25 14:33:34 -08:00
contiguous.c	dma-mapping: fix panic caused by passing empty cma command line argument	2018-11-13 11:08:17 -08:00
debug.c	treewide: Remove uninitialized_var() usage	2023-08-11 11:45:01 +02:00
direct.c	dma-direct: do not include SME mask in the DMA supported check	2019-01-13 09:51:05 +01:00
Kconfig	dma-mapping: add the missing ARCH_HAS_SYNC_DMA_FOR_CPU_ALL declaration	2018-09-25 15:11:58 -07:00
Makefile
mapping.c
noncoherent.c
swiotlb.c	swiotlb: skip swiotlb_bounce when orig_addr is zero	2022-07-02 16:27:40 +02:00
virt.c