dma: edma: Fix memory leak in edma_prep_dma_cyclic()
Fix a memory leak in the edma_prep_dma_cyclic() error handling path.
Signed-off-by: Christian Engelmayer <cengelma@gmx.at>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
diff --git a/drivers/dma/edma.c b/drivers/dma/edma.c
index cd8da45..cd04eb7b 100644
--- a/drivers/dma/edma.c
+++ b/drivers/dma/edma.c
@@ -539,6 +539,7 @@
edma_alloc_slot(EDMA_CTLR(echan->ch_num),
EDMA_SLOT_ANY);
if (echan->slot[i] < 0) {
+ kfree(edesc);
dev_err(dev, "Failed to allocate slot\n");
return NULL;
}
@@ -553,8 +554,10 @@
ret = edma_config_pset(chan, &edesc->pset[i], src_addr,
dst_addr, burst, dev_width, period_len,
direction);
- if (ret < 0)
+ if (ret < 0) {
+ kfree(edesc);
return NULL;
+ }
if (direction == DMA_DEV_TO_MEM)
dst_addr += period_len;