linux-kernel - [PATCH v2 12/22] watchdog: ziirave_wdt: Don't check if ihex record length is zero

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Message-Id: <20190812200906.31344-13-andrew.smirnov@gmail.com>
Date:   Mon, 12 Aug 2019 13:08:56 -0700
From:   Andrey Smirnov <andrew.smirnov@...il.com>
To:     linux-watchdog@...r.kernel.org
Cc:     Andrey Smirnov <andrew.smirnov@...il.com>,
        Chris Healy <cphealy@...il.com>,
        Guenter Roeck <linux@...ck-us.net>,
        Rick Ramstetter <rick@...eaterllc.com>,
        linux-kernel@...r.kernel.org
Subject: [PATCH v2 12/22] watchdog: ziirave_wdt: Don't check if ihex record length is zero

Ihex_next_binrec() will return NULL if next record's 'len' is zero, so
explicit checks for that in the driver are unnecessary. Drop them.

Signed-off-by: Andrey Smirnov <andrew.smirnov@...il.com>
Cc: Chris Healy <cphealy@...il.com>
Cc: Guenter Roeck <linux@...ck-us.net>
Cc: Rick Ramstetter <rick@...eaterllc.com>
Cc: linux-watchdog@...r.kernel.org
Cc: linux-kernel@...r.kernel.org
---
 drivers/watchdog/ziirave_wdt.c | 8 --------
 1 file changed, 8 deletions(-)

diff --git a/drivers/watchdog/ziirave_wdt.c b/drivers/watchdog/ziirave_wdt.c
index 38cf3ca329d7..4b95467bf239 100644
--- a/drivers/watchdog/ziirave_wdt.c
+++ b/drivers/watchdog/ziirave_wdt.c
@@ -318,10 +318,6 @@ static int ziirave_firm_verify(struct watchdog_device *wdd,
 	u16 addr;
 
 	for (rec = (void *)fw->data; rec; rec = ihex_next_binrec(rec)) {
-		/* Zero length marks end of records */
-		if (!be16_to_cpu(rec->len))
-			break;
-
 		addr = (be32_to_cpu(rec->addr) & 0xffff) >> 1;
 		if (addr < ZIIRAVE_FIRM_FLASH_MEMORY_START ||
 		    addr > ZIIRAVE_FIRM_FLASH_MEMORY_END)
@@ -381,10 +377,6 @@ static int ziirave_firm_upload(struct watchdog_device *wdd,
 	msleep(500);
 
 	for (rec = (void *)fw->data; rec; rec = ihex_next_binrec(rec)) {
-		/* Zero length marks end of records */
-		if (!be16_to_cpu(rec->len))
-			break;
-
 		ret = ziirave_firm_write_pkt(wdd, be32_to_cpu(rec->addr),
 					     rec->data, be16_to_cpu(rec->len));
 		if (ret)
-- 
2.21.0