Messages in this thread | | | Date | Tue, 2 Aug 2016 10:34:11 -0700 | From | Dmitry Torokhov <> | Subject | Re: [PATCH 0293/1285] Replace numeric parameter like 0444 with macro |
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On Tue, Aug 02, 2016 at 06:57:31PM +0800, Baole Ni wrote: > I find that the developers often just specified the numeric value > when calling a macro which is defined with a parameter for access permission. > As we know, these numeric value for access permission have had the corresponding macro, > and that using macro can improve the robustness and readability of the code, > thus, I suggest replacing the numeric parameter with the macro. > > Signed-off-by: Chuansheng Liu <chuansheng.liu@intel.com> > Signed-off-by: Baole Ni <baolex.ni@intel.com> > --- > drivers/input/touchscreen/ili210x.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/input/touchscreen/ili210x.c b/drivers/input/touchscreen/ili210x.c > index ddf694b..a8a7089 100644 > --- a/drivers/input/touchscreen/ili210x.c > +++ b/drivers/input/touchscreen/ili210x.c > @@ -169,7 +169,7 @@ static ssize_t ili210x_calibrate(struct device *dev, > > return count; > } > -static DEVICE_ATTR(calibrate, 0644, NULL, ili210x_calibrate); > +static DEVICE_ATTR(calibrate, S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH, NULL, ili210x_calibrate);
Here was a bug in the driver that you helpfully carried over. Since we do not provide "show" method the permissions should be 0200 or S_IWUSR).
Thanks.
-- Dmitry
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