Messages in this thread | | | Date | Thu, 31 Aug 2017 11:51:05 -0700 | From | Dmitry Torokhov <> | Subject | Re: [PATCH 1/2] Input: tegra-kbc: Handle return value of clk_prepare_enable. |
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On Tue, Aug 01, 2017 at 03:32:26PM +0530, Arvind Yadav wrote: > clk_prepare_enable() can fail here and we must check its return value. > > Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
Applied, thank you.
> --- > drivers/input/keyboard/tegra-kbc.c | 5 ++++- > 1 file changed, 4 insertions(+), 1 deletion(-) > > diff --git a/drivers/input/keyboard/tegra-kbc.c b/drivers/input/keyboard/tegra-kbc.c > index 0c07e10..edc1385 100644 > --- a/drivers/input/keyboard/tegra-kbc.c > +++ b/drivers/input/keyboard/tegra-kbc.c > @@ -370,8 +370,11 @@ static int tegra_kbc_start(struct tegra_kbc *kbc) > { > unsigned int debounce_cnt; > u32 val = 0; > + int ret; > > - clk_prepare_enable(kbc->clk); > + ret = clk_prepare_enable(kbc->clk); > + if (ret) > + return ret; > > /* Reset the KBC controller to clear all previous status.*/ > reset_control_assert(kbc->rst); > -- > 1.9.1 >
-- Dmitry
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