From: Vasyl Gomonovych <gomonovych@gmail.com>
To: dan.j.williams@intel.com, vinod.koul@intel.com,
dmaengine@vger.kernel.org, gomonovych@gmail.com
Cc: linux-kernel@vger.kernel.org
Subject: [PATCH] dmaengine: cppi41: Fix channel queues array size check
Date: Thu, 21 Dec 2017 16:53:04 +0100 [thread overview]
Message-ID: <1513871584-8783-1-git-send-email-gomonovych@gmail.com> (raw)
The test should be >= ARRAY_SIZE() instead of > ARRAY_SIZE().
Signed-off-by: Vasyl Gomonovych <gomonovych@gmail.com>
---
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;
--
1.9.1
next reply other threads:[~2017-12-21 15:53 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-12-21 15:53 Vasyl Gomonovych [this message]
2017-12-22 12:17 ` [PATCH] dmaengine: cppi41: Fix channel queues array size check Vinod Koul
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