Messages in this thread Patch in this message | | | From | Claudiu Beznea <> | Subject | [PATCH v2 02/18] clk: at91: clk-generated: check best_rate against ranges | Date | Wed, 22 Jul 2020 10:38:10 +0300 |
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Check best_rate against available clock ranges.
Fixes: df70aeef6083 ("clk: at91: add generated clock driver") Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com> Reviewed-by: Alexandre Belloni <alexandre.belloni@bootlin.com> --- drivers/clk/at91/clk-generated.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/clk/at91/clk-generated.c b/drivers/clk/at91/clk-generated.c index 995a13133cfb..f8e557e0e1b8 100644 --- a/drivers/clk/at91/clk-generated.c +++ b/drivers/clk/at91/clk-generated.c @@ -185,8 +185,8 @@ static int clk_generated_determine_rate(struct clk_hw *hw, __clk_get_name((req->best_parent_hw)->clk), req->best_parent_rate); - if (best_rate < 0) - return best_rate; + if (best_rate < 0 || (gck->range.max && best_rate > gck->range.max)) + return -EINVAL; req->rate = best_rate; return 0; -- 2.7.4
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