diff --git a/drivers/dma/edma.c b/drivers/dma/edma.c index 948df1ab5f1a..85ea92fcea54 100644 --- a/drivers/dma/edma.c +++ b/drivers/dma/edma.c @@ -1876,6 +1876,11 @@ static void edma_dma_init(struct edma_cc *ecc, bool legacy_mode) if (memcpy_channels) { m_ddev = devm_kzalloc(ecc->dev, sizeof(*m_ddev), GFP_KERNEL); + if (!m_ddev) { + dev_warn(ecc->dev, "memcpy is disabled due to OoM\n"); + memcpy_channels = NULL; + goto ch_setup; + } ecc->dma_memcpy = m_ddev; dma_cap_zero(m_ddev->cap_mask); @@ -1903,6 +1908,7 @@ static void edma_dma_init(struct edma_cc *ecc, bool legacy_mode) dev_info(ecc->dev, "memcpy is disabled\n"); } +ch_setup: for (i = 0; i < ecc->num_channels; i++) { struct edma_chan *echan = &ecc->slave_chans[i]; echan->ch_num = EDMA_CTLR_CHAN(ecc->id, i);