Make the behaviour of clk_get_rate consistent with common clk's
clk_get_rate by accepting NULL clocks as parameter. Some device
drivers rely on this, and will cause an OOPS otherwise.
Fixes: 969003152aa9 ("blackfin: bf60x: add clock support")
Cc: Steven Miao <[email protected]>
Cc: Masahiro Yamada <[email protected]>
Cc: Andrew Morton <[email protected]>
Cc: [email protected]
Cc: [email protected]
Reported-by: Mathias Kresin <[email protected]>
Signed-off-by: Jonas Gorski <[email protected]>
---
arch/blackfin/mach-bf609/clock.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/blackfin/mach-bf609/clock.c b/arch/blackfin/mach-bf609/clock.c
index 392a59b9a504..21a0ec18829f 100644
--- a/arch/blackfin/mach-bf609/clock.c
+++ b/arch/blackfin/mach-bf609/clock.c
@@ -109,7 +109,7 @@ EXPORT_SYMBOL(clk_disable);
unsigned long clk_get_rate(struct clk *clk)
{
unsigned long ret = 0;
- if (clk->ops && clk->ops->get_rate)
+ if (clk && clk->ops && clk->ops->get_rate)
ret = clk->ops->get_rate(clk);
return ret;
}
--
2.11.0
