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[67.185.54.80]) by smtp.gmail.com with ESMTPSA id n26sm110286451pfa.83.2019.08.12.13.09.28 (version=TLS1_3 cipher=AEAD-AES256-GCM-SHA384 bits=256/256); Mon, 12 Aug 2019 13:09:29 -0700 (PDT) From: Andrey Smirnov To: linux-watchdog@vger.kernel.org Cc: Andrey Smirnov , Chris Healy , Guenter Roeck , Rick Ramstetter , linux-kernel@vger.kernel.org Subject: [PATCH v2 09/22] watchdog: ziirave_wdt: Fix incorrect use of ARRAY_SIZE Date: Mon, 12 Aug 2019 13:08:53 -0700 Message-Id: <20190812200906.31344-10-andrew.smirnov@gmail.com> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20190812200906.31344-1-andrew.smirnov@gmail.com> References: <20190812200906.31344-1-andrew.smirnov@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Both memset() and ziirave_firm_write_block_data() expect length in bytes as an argument, not a number of elements in array. It just happens that in this particular case both values are equal. Modify the code to use sizeof() instead. Signed-off-by: Andrey Smirnov Cc: Chris Healy Cc: Guenter Roeck Cc: Rick Ramstetter Cc: linux-watchdog@vger.kernel.org Cc: linux-kernel@vger.kernel.org --- drivers/watchdog/ziirave_wdt.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/watchdog/ziirave_wdt.c b/drivers/watchdog/ziirave_wdt.c index 19da0910c2d1..e0f55cbdc603 100644 --- a/drivers/watchdog/ziirave_wdt.c +++ b/drivers/watchdog/ziirave_wdt.c @@ -203,7 +203,7 @@ static int ziirave_firm_set_read_addr(struct watchdog_device *wdd, u16 addr) return i2c_smbus_write_block_data(client, ZIIRAVE_CMD_DOWNLOAD_SET_READ_ADDR, - ARRAY_SIZE(address), address); + sizeof(address), address); } static int ziirave_firm_write_block_data(struct watchdog_device *wdd, @@ -260,7 +260,7 @@ static int __ziirave_firm_write_pkt(struct watchdog_device *wdd, return -EMSGSIZE; } - memset(packet, 0, ARRAY_SIZE(packet)); + memset(packet, 0, sizeof(packet)); /* Packet length */ packet[0] = len; @@ -276,7 +276,7 @@ static int __ziirave_firm_write_pkt(struct watchdog_device *wdd, packet[ZIIRAVE_FIRM_PKT_TOTAL_SIZE - 1] = checksum; ret = ziirave_firm_write_block_data(wdd, ZIIRAVE_CMD_DOWNLOAD_PACKET, - ARRAY_SIZE(packet), packet, true); + sizeof(packet), packet, true); if (ret) dev_err(&client->dev, "Failed to write firmware packet at address 0x%04x: %d\n", -- 2.21.0