From mboxrd@z Thu Jan 1 00:00:00 1970 From: Dan Carpenter Subject: [patch] spi: pic32-sqi: silence array overflow warning Date: Fri, 22 Apr 2016 12:55:24 +0300 Message-ID: <20160422095524.GB11398@mwanda> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: linux-spi@vger.kernel.org, linux-kernel@vger.kernel.org, kernel-janitors@vger.kernel.org To: Mark Brown , Purna Chandra Mandal Return-path: Content-Disposition: inline Sender: linux-kernel-owner@vger.kernel.org List-Id: linux-spi.vger.kernel.org We read one element beyond the end of the array when we access "rdesc[i + 1]" so it causes a static checker warning. It's harmless because we write over it again on the next line. But let's just silence the warning. Signed-off-by: Dan Carpenter diff --git a/drivers/spi/spi-pic32-sqi.c b/drivers/spi/spi-pic32-sqi.c index b215347..74b9e68 100644 --- a/drivers/spi/spi-pic32-sqi.c +++ b/drivers/spi/spi-pic32-sqi.c @@ -537,7 +537,7 @@ static int ring_desc_ring_alloc(struct pic32_sqi *sqi) } /* Prepare BD: chain to next BD(s) */ - for (i = 0, rdesc = sqi->ring; i < PESQI_BD_COUNT; i++) + for (i = 0, rdesc = sqi->ring; i < PESQI_BD_COUNT - 1; i++) bd[i].bd_nextp = rdesc[i + 1].bd_dma; bd[PESQI_BD_COUNT - 1].bd_nextp = 0;