Messages in this thread Patch in this message | | | Date | Sat, 13 Aug 2011 12:25:32 +0800 | Subject | [RFC patch resend] DMAengine/Langwell: put tx descriptor in error path | From | Hillf Danton <> |
| |
When preparing LLI based periphral transfer, if error encountered, the newly prepared tx descriptor should be put for later recycling.
Signed-off-by: Hillf Danton <dhillf@gmail.com> ---
--- a/drivers/dma/intel_mid_dma.c Sat Aug 13 11:44:46 2011 +++ intel_mid_dma.c Sat Aug 13 12:32:42 2011 @@ -793,6 +793,7 @@ static struct dma_async_tx_descriptor *i 32, 0); if (NULL == desc->lli_pool) { pr_err("MID_DMA:LLI pool create failed\n"); + midc_desc_put(midc, desc); return NULL; }
@@ -800,6 +801,7 @@ static struct dma_async_tx_descriptor *i if (!desc->lli) { pr_err("MID_DMA: LLI alloc failed\n"); pci_pool_destroy(desc->lli_pool); + midc_desc_put(midc, desc); return NULL; }
| |