[PATCH 02/19] clk: at91: clk-generated: check best_rate against ranges
From: Claudiu Beznea <hidden>
Date: 2020-07-15 11:24:45
Also in:
linux-clk, lkml
Subsystem:
common clk framework, the rest · Maintainers:
Michael Turquette, Stephen Boyd, Linus Torvalds
Check best_rate against available clock ranges.
Fixes: df70aeef6083 ("clk: at91: add generated clock driver")
Signed-off-by: Claudiu Beznea <redacted>
---
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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