divider_ux1 is checked for being smaller than 0 which can never happen for an unsigned variable. Fix the check in a way it's currently done in Linux
Signed-off-by: Sascha Hauer <[email protected]> --- drivers/clk/tegra/clk-divider.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/clk/tegra/clk-divider.c b/drivers/clk/tegra/clk-divider.c index cc8b85520c..8ac8c98e9f 100644 --- a/drivers/clk/tegra/clk-divider.c +++ b/drivers/clk/tegra/clk-divider.c @@ -46,11 +46,11 @@ static int get_div(struct tegra_clk_frac_div *divider, unsigned long rate, if (flags & TEGRA_DIVIDER_INT) divider_ux1 *= mul; - divider_ux1 -= mul; - - if (divider_ux1 < 0) + if (divider_ux1 < mul) return 0; + divider_ux1 -= mul; + if (divider_ux1 > get_max_div(divider)) return -EINVAL; -- 2.29.2 _______________________________________________ barebox mailing list [email protected] http://lists.infradead.org/mailman/listinfo/barebox
