Messages in this thread | | | Subject | Re: [PATCH] arm: Add clk_get_rate input parameter null check | From | Alexander Sverdlin <> | Date | Fri, 06 Nov 2020 06:57:49 +0100 |
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Hello Wang!
On Fri, 2020-11-06 at 09:46 +0800, Wang Qing wrote: > The input parameter of clk_get_rate() is checked with IS_ERR(), > so here we need to check null on clk.
Thank you for the patch!
> Signed-off-by: Wang Qing <wangqing@vivo.com> Acked-by: Alexander Sverdlin <alexander.sverdlin@gmail.com>
> --- > arch/arm/mach-ep93xx/clock.c | 3 +++ > 1 file changed, 3 insertions(+) > > diff --git a/arch/arm/mach-ep93xx/clock.c b/arch/arm/mach- > ep93xx/clock.c > index 2810eb5..4313b2f > --- a/arch/arm/mach-ep93xx/clock.c > +++ b/arch/arm/mach-ep93xx/clock.c > @@ -321,6 +321,9 @@ static unsigned long get_uart_rate(struct clk > *clk) > > unsigned long clk_get_rate(struct clk *clk) > { > + if (!clk) > + return 0; > + > if (clk->get_rate) > return clk->get_rate(clk); > -- Alexander Sverdlin.
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