Inside function set_chip_clock(), struct pll is supposed to be initialized in sm750_calc_pll_value(), if condition "diff < mini_diff" in sm750_calc_pll_value() cannot be fulfilled, then some field of pll will not be initialized but used in function sm750_format_pll_reg(), which is potentially unsafe. Signed-off-by: Yizhuo <yzhai003@xxxxxxx> --- drivers/staging/sm750fb/ddk750_chip.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/staging/sm750fb/ddk750_chip.c b/drivers/staging/sm750fb/ddk750_chip.c index 5a317cc98a4b..31b3cf9c2d8b 100644 --- a/drivers/staging/sm750fb/ddk750_chip.c +++ b/drivers/staging/sm750fb/ddk750_chip.c @@ -55,7 +55,7 @@ static unsigned int get_mxclk_freq(void) */ static void set_chip_clock(unsigned int frequency) { - struct pll_value pll; + struct pll_value pll = {}; unsigned int actual_mx_clk; /* Cheok_0509: For SM750LE, the chip clock is fixed. Nothing to set. */ -- 2.17.1 _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel