github-mirror/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2026-05-30 01:53:29 +02:00
Code Issues Actions Packages Projects Releases Wiki Activity Graph

s390/dma: support debug_dma_mapping_error

Browse Source 
Without this patch drivers will get blamed (CONFIG_DMA_API_DEBUG=y)
for not calling dma_mapping_error (even if they do).

Signed-off-by: Sebastian Ott <sebott@linux.vnet.ibm.com>
Acked-by: Gerald Schaefer <gerald.schaefer@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
This commit is contained in:
Sebastian Ott 2013-06-18 17:38:31 +02:00 committed by Martin Schwidefsky
parent 73e5a84842
commit 4026099a31
1 changed files with 1 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
arch/s390/include/asm/dma-mapping.h
View File

@ -50,6 +50,7 @@ static inline int dma_mapping_error(struct device *dev, dma_addr_t dma_addr)
{
struct dma_map_ops *dma_ops = get_dma_ops(dev);
debug_dma_mapping_error(dev, dma_addr);
if (dma_ops->mapping_error)
return dma_ops->mapping_error(dev, dma_addr);
return (dma_addr == DMA_ERROR_CODE);