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| author | Sebastian Ott <sebott@linux.vnet.ibm.com> | 2013-05-17 18:37:59 +0400 |
|---|---|---|
| committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2013-05-22 11:45:56 +0400 |
| commit | abd9a0c36028771a8f397f38bf79bfcf404f957f (patch) | |
| tree | 4c05aa888c674b1caef7d3ef5afa7a53e4fb1d40 /arch | |
| parent | 519fe2ecb755b875d9814cdda19778c2e88c6901 (diff) | |
| download | linux-abd9a0c36028771a8f397f38bf79bfcf404f957f.tar.xz | |
s390/dma: do not call debug_dma after free
In dma_free_coherent call debug_dma_free_coherent before deallocating
the memory to avoid a possible use after free.
Reviewed-by: Gerald Schaefer <gerald.schaefer@de.ibm.com>
Signed-off-by: Sebastian Ott <sebott@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/s390/include/asm/dma-mapping.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/s390/include/asm/dma-mapping.h b/arch/s390/include/asm/dma-mapping.h index 9411db653bac..886ac7d4937a 100644 --- a/arch/s390/include/asm/dma-mapping.h +++ b/arch/s390/include/asm/dma-mapping.h @@ -71,8 +71,8 @@ static inline void dma_free_coherent(struct device *dev, size_t size, { struct dma_map_ops *dma_ops = get_dma_ops(dev); - dma_ops->free(dev, size, cpu_addr, dma_handle, NULL); debug_dma_free_coherent(dev, size, cpu_addr, dma_handle); + dma_ops->free(dev, size, cpu_addr, dma_handle, NULL); } #endif /* _ASM_S390_DMA_MAPPING_H */ |