In this function, the param 'idx' may be equal to 'DW_WDT_NUM_TOPS'. At this time, the array 'dw_wdt->timeouts' may be out of bound Signed-off-by: zhangyue <zhangyue1@xxxxxxxxxx> --- drivers/watchdog/dw_wdt.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/watchdog/dw_wdt.c b/drivers/watchdog/dw_wdt.c index cd578843277e..15fb1895c085 100644 --- a/drivers/watchdog/dw_wdt.c +++ b/drivers/watchdog/dw_wdt.c @@ -155,6 +155,9 @@ static unsigned int dw_wdt_get_min_timeout(struct dw_wdt *dw_wdt) break; } + if (idx == DW_WDT_NUM_TOPS) + return 1; + return dw_wdt->timeouts[idx].sec; } -- 2.30.0
