[Sound-open-firmware] [PATCH] ipc: trap dma_start() return value, bail on error

[Pierre-Louis Bossart]

Detected with Coverity, we check dma_start everywhere else.

Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart at linux.intel.com>
---
 src/ipc/ipc.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/ipc/ipc.c b/src/ipc/ipc.c
index fbb1be6..3e23d9c 100644
--- a/src/ipc/ipc.c
+++ b/src/ipc/ipc.c
@@ -482,7 +482,11 @@ int ipc_get_page_descriptors(struct dma *dmac, uint8_t *page_table,
 	wait_init(&complete);
 
 	/* start the copy of page table to DSP */
-	dma_start(dmac, chan);
+	ret = dma_start(dmac, chan);
+	if (ret < 0) {
+		trace_ipc_error("ePt");
+		goto out;
+	}
 
 	/* wait for DMA to complete */
 	complete.timeout = PLATFORM_HOST_DMA_TIMEOUT;
-- 
2.14.1