This patch prevents errors when running tftpput.
Signed-off-by: Álvaro Fernández Rojas <[email protected]>
---
drivers/dma/bcm6348-iudma.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/drivers/dma/bcm6348-iudma.c b/drivers/dma/bcm6348-iudma.c
index 1d3c192cfe..e7bd1b2350 100644
--- a/drivers/dma/bcm6348-iudma.c
+++ b/drivers/dma/bcm6348-iudma.c
@@ -324,6 +324,9 @@ static int bcm6348_iudma_receive(struct dma *dma, void
**dst, void *metadata)
struct bcm6348_dma_desc *dma_desc = dma_desc = ch_priv->dma_ring;
int ret;
+ if (!ch_priv->running)
+ return -EINVAL;
+
/* get dma ring descriptor address */
dma_desc += ch_priv->desc_id;
@@ -369,6 +372,9 @@ static int bcm6348_iudma_send(struct dma *dma, void *src,
size_t len,
struct bcm6348_dma_desc *dma_desc;
uint16_t status;
+ if (!ch_priv->running)
+ return -EINVAL;
+
/* flush cache */
bcm6348_iudma_fdc(src, len);
--
2.11.0
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