diff options
| -rw-r--r-- | arch/blackfin/kernel/bfin_dma_5xx.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/arch/blackfin/kernel/bfin_dma_5xx.c b/arch/blackfin/kernel/bfin_dma_5xx.c index 14dea1a87b7..384868dedac 100644 --- a/arch/blackfin/kernel/bfin_dma_5xx.c +++ b/arch/blackfin/kernel/bfin_dma_5xx.c @@ -147,8 +147,8 @@ EXPORT_SYMBOL(request_dma); int set_dma_callback(unsigned int channel, irq_handler_t callback, void *data) { - BUG_ON(!(dma_ch[channel].chan_status != DMA_CHANNEL_FREE - && channel < MAX_DMA_CHANNELS)); + BUG_ON(channel >= MAX_DMA_CHANNELS || + dma_ch[channel].chan_status == DMA_CHANNEL_FREE); if (callback != NULL) { int ret; @@ -182,8 +182,8 @@ static void clear_dma_buffer(unsigned int channel) void free_dma(unsigned int channel) { pr_debug("freedma() : BEGIN \n"); - BUG_ON(!(dma_ch[channel].chan_status != DMA_CHANNEL_FREE - && channel < MAX_DMA_CHANNELS)); + BUG_ON(channel >= MAX_DMA_CHANNELS || + dma_ch[channel].chan_status == DMA_CHANNEL_FREE); /* Halt the DMA */ disable_dma(channel); |