From 5a358f50c3cdeffc0ba877423295fd4e81f5b2bb Mon Sep 17 00:00:00 2001 From: "Gomonovych, Vasyl" Date: Thu, 21 Dec 2017 16:53:04 +0100 Subject: [PATCH] dmaengine: cppi41: Fix channel queues array size check The test should be >= ARRAY_SIZE() instead of > ARRAY_SIZE(). Signed-off-by: Vasyl Gomonovych Signed-off-by: Vinod Koul --- 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;