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selftests/timers: fix write return value handlng

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The function can return negative value.

The problem has been detected using proposed semantic patch
scripts/coccinelle/tests/unsigned_lesser_than_zero.cocci [1].

[1]: http://permalink.gmane.org/gmane.linux.kernel/2038576

Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Signed-off-by: John Stultz <john.stultz@linaro.org>
This commit is contained in:
Andrzej Hajda 2015-09-21 15:33:41 +02:00 committed by John Stultz
parent 390dd67c47
commit 3b44edaaa1
1 changed files with 1 additions and 1 deletions
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2
tools/testing/selftests/timers/clocksource-switch.c
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@ -97,7 +97,7 @@ int get_cur_clocksource(char *buf, size_t size)
int change_clocksource(char *clocksource)
{
int fd;
size_t size;
ssize_t size;
fd = open("/sys/devices/system/clocksource/clocksource0/current_clocksource", O_WRONLY);