watchdog: ziirave_wdt: Skip zeros when calculating checksum

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Zeros don't contribute anything to checksum value, so we can skip
unused portion of the packet when calculating its checksum.

Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Cc: Chris Healy <cphealy@gmail.com>
Cc: Guenter Roeck <linux@roeck-us.net>
Cc: Rick Ramstetter <rick@anteaterllc.com>
Cc: linux-watchdog@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Link: https://lore.kernel.org/r/20190812200906.31344-9-andrew.smirnov@gmail.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@linux-watchdog.org>

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Andrey Smirnov 2019-08-12 13:08:52 -07:00 • committed by Wim Van Sebroeck

parent 08188e8dbc

commit dc0dd28951

1 changed files with 1 additions and 1 deletions

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drivers/watchdog/ziirave_wdt.c

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