watchdog: f71808e_wdt: Fix magic close handling

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Watchdog close is "expected" when any byte is 'V' not just the last one.
Writing "V" to the device fails because the last byte is the end of string.

$ echo V > /dev/watchdog
f71808e_wdt: Unexpected close, not stopping watchdog!

Signed-off-by: Igor Pylypiv <igor.pylypiv@gmail.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>

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Igor Pylypiv 2018-02-28 00:59:12 -08:00 • committed by Wim Van Sebroeck

parent a17f4f032b

commit 7bd3e7b743

1 changed files with 2 additions and 1 deletions

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drivers/watchdog/f71808e_wdt.c

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