[RFC patch] DMAengine/Langwell: destroy PCI DMA pool in error path

[Hillf Danton]

When setting up the Langwell DMA controller, if error encountered, the newly
created PCI DMA pool should be destroied.

Signed-off-by: Hillf Danton <dhillf@xxxxxxxxx>
---
 drivers/dma/intel_mid_dma.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/drivers/dma/intel_mid_dma.c b/drivers/dma/intel_mid_dma.c
index f653517..130bb77 100644
--- a/drivers/dma/intel_mid_dma.c
+++ b/drivers/dma/intel_mid_dma.c
@@ -1100,6 +1100,7 @@ static int mid_setup_dma(struct pci_dev *pdev)
 					LNW_PERIPHRAL_MASK_SIZE);
 		if (dma->mask_reg == NULL) {
 			pr_err("ERR_MDMA:Can't map periphral intr space !!\n");
+			pci_pool_destroy(dma->dma_pool);
 			return -ENOMEM;
 		}
 	} else
--
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