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| author | Marcel Ziswiler <marcel.ziswiler@toradex.com> | 2020-05-21 00:54:36 +0200 |
|---|---|---|
| committer | Marcel Ziswiler <marcel.ziswiler@toradex.com> | 2020-05-21 00:54:36 +0200 |
| commit | 135d39dcedcedd1f44ea0bba52f15ac5922c114f (patch) | |
| tree | 12379fc8ef7489eaca1c7245f8bd6af74c619a8f /drivers/staging/comedi/drivers/gsc_hpdi.c | |
| parent | 187764bd111b27783b6d68ffb3b3dbb3a9bafd38 (diff) | |
| parent | 1279cd128bba968ebe0a2df7f7ae38bae90250ef (diff) | |
Merge remote-tracking branch 'remotes/fslc/4.9-2.3.x-imx' into toradex_4.9-2.3.x-imx-next
Conflicts:
sound/soc/codecs/sgtl5000.c
sound/soc/fsl/imx-sgtl5000.c
Diffstat (limited to 'drivers/staging/comedi/drivers/gsc_hpdi.c')
| -rw-r--r-- | drivers/staging/comedi/drivers/gsc_hpdi.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/staging/comedi/drivers/gsc_hpdi.c b/drivers/staging/comedi/drivers/gsc_hpdi.c index e5b948405fd9..a09631f9d813 100644 --- a/drivers/staging/comedi/drivers/gsc_hpdi.c +++ b/drivers/staging/comedi/drivers/gsc_hpdi.c @@ -632,6 +632,11 @@ static int gsc_hpdi_auto_attach(struct comedi_device *dev, dma_alloc_coherent(&pcidev->dev, DMA_BUFFER_SIZE, &devpriv->dio_buffer_phys_addr[i], GFP_KERNEL); + if (!devpriv->dio_buffer[i]) { + dev_warn(dev->class_dev, + "failed to allocate DMA buffer\n"); + return -ENOMEM; + } } /* allocate dma descriptors */ devpriv->dma_desc = dma_alloc_coherent(&pcidev->dev, @@ -639,6 +644,11 @@ static int gsc_hpdi_auto_attach(struct comedi_device *dev, NUM_DMA_DESCRIPTORS, &devpriv->dma_desc_phys_addr, GFP_KERNEL); + if (!devpriv->dma_desc) { + dev_warn(dev->class_dev, + "failed to allocate DMA descriptors\n"); + return -ENOMEM; + } if (devpriv->dma_desc_phys_addr & 0xf) { dev_warn(dev->class_dev, " dma descriptors not quad-word aligned (bug)\n"); |