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[HUST CSE]avoids null pointer problems (#7233) 

* [HUST CSE]avoids null pointer problems

* Update hal_dma.c

* Update hal_dma.c

* Update hal_dma.c
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palmyzf 2023-04-14 00:30:28 +08:00 committed by GitHub
parent 83c0565e36
commit 8e8fcef7b8
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1 changed files with 1 additions and 1 deletions
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bsp/allwinner/libraries/sunxi-hal/hal/source/dma/hal_dma.c
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@ -493,7 +493,7 @@ hal_dma_status_t hal_dma_prep_cyclic(struct sunxi_dma_chan *chan,
uint32_t i = 0; uint32_t i = 0;
uint32_t __cpsr; uint32_t __cpsr;
if ((NULL == chan && chan->cyclic) || (0 == buf_addr)) if ((NULL == chan) || (0 == buf_addr))
{ {
DMA_ERR("[dma] chan or buf_addr is NULL\n"); DMA_ERR("[dma] chan or buf_addr is NULL\n");
return HAL_DMA_STATUS_INVALID_PARAMETER; return HAL_DMA_STATUS_INVALID_PARAMETER;