[PATCH] rtc: zynqmp: initialize fract_tick

From: alexandre . belloni
Date: Wed Jul 27 2022 - 06:01:11 EST


From: Alexandre Belloni <alexandre.belloni@xxxxxxxxxxx>

fract_tick is used uninitialized when fract_offset is 0

Reported-by: kernel test robot <lkp@xxxxxxxxx>
Signed-off-by: Alexandre Belloni <alexandre.belloni@xxxxxxxxxxx>
---
drivers/rtc/rtc-zynqmp.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/rtc/rtc-zynqmp.c b/drivers/rtc/rtc-zynqmp.c
index 1dd389b891fe..c9b85c838ebe 100644
--- a/drivers/rtc/rtc-zynqmp.c
+++ b/drivers/rtc/rtc-zynqmp.c
@@ -203,7 +203,7 @@ static int xlnx_rtc_set_offset(struct device *dev, long offset)
struct xlnx_rtc_dev *xrtcdev = dev_get_drvdata(dev);
unsigned long long rtc_ppb = RTC_PPB;
unsigned int tick_mult = do_div(rtc_ppb, xrtcdev->freq);
- unsigned char fract_tick;
+ unsigned char fract_tick = 0;
unsigned int calibval;
short int max_tick;
int fract_offset;
--
2.36.1