dmaengine: cppi41: Fix channel queues array size check
From: Vasyl Gomonovych <hidden>
Date: 2017-12-21 15:53:34
Also in:
lkml
Subsystem:
dma generic offload engine subsystem, the rest · Maintainers:
Vinod Koul, Linus Torvalds
The test should be >= ARRAY_SIZE() instead of > ARRAY_SIZE(). Signed-off-by: Vasyl Gomonovych <redacted> --- drivers/dma/cppi41.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/dma/cppi41.c b/drivers/dma/cppi41.c
index f7e965f63274..d9bee65a18a4 100644
--- a/drivers/dma/cppi41.c
+++ b/drivers/dma/cppi41.c@@ -934,7 +934,7 @@ static bool cpp41_dma_filter_fn(struct dma_chan *chan, void *param) BUILD_BUG_ON(ARRAY_SIZE(am335x_usb_queues_rx) != ARRAY_SIZE(am335x_usb_queues_tx)); - if (WARN_ON(cchan->port_num > ARRAY_SIZE(am335x_usb_queues_rx))) + if (WARN_ON(cchan->port_num >= ARRAY_SIZE(am335x_usb_queues_rx))) return false; cchan->q_num = queues[cchan->port_num].submit;