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rtc: opal: fix type of token 

The variable can take signed values.

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: Alexandre Belloni <alexandre.belloni@free-electrons.com>
This commit is contained in:
Andrzej Hajda 2015-09-21 15:33:56 +02:00 committed by Alexandre Belloni
parent fa395fb8fc
commit c353009416
1 changed files with 2 additions and 2 deletions
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4
drivers/rtc/rtc-opal.c
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@ -152,10 +152,10 @@ exit:
/* Set Timed Power-On */
static int opal_set_tpo_time(struct device *dev, struct rtc_wkalrm *alarm)
{
u64 h_m_s_ms = 0, token;
u64 h_m_s_ms = 0;
struct opal_msg msg;
u32 y_m_d = 0;
int rc;
int token, rc;
tm_to_opal(&alarm->time, &y_m_d, &h_m_s_ms);