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watchdog: f71808e_wdt: Fix magic close handling
authorIgor Pylypiv <igor.pylypiv@gmail.com>
Wed, 28 Feb 2018 08:59:12 +0000 (00:59 -0800)
committerWim Van Sebroeck <wim@linux-watchdog.org>
Sat, 3 Mar 2018 14:52:32 +0000 (15:52 +0100)
commit7bd3e7b743956afbec30fb525bc3c5e22e3d475c
tree1b38e1f2d53c6551ec848486655dc4984434ed3etree | snapshot
parenta17f4f032b61abd998a1f81b206a4517e2e3db2fcommit | diff
watchdog: f71808e_wdt: Fix magic close handling

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>
drivers/watchdog/f71808e_wdt.c diff | blob | history
ep93xx device tree rework repo: git://git.maquefel.me/linux.git