Re: [PATCH v5] iio: sx9324: avoid copying property strings

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On Fri, 2 Feb 2024 15:38:03 -0600
Stephen Boyd <swboyd@xxxxxxxxxxxx> wrote:

> Quoting Justin Stitt (2024-02-01 10:55:03)
> > We're doing some needless string copies when trying to assign the proper
> > `prop` string. We can make `prop` a const char* and simply assign to
> > string literals.
> >
> > For the case where a format string is used, let's extract the parsing
> > logic out into sx9324_parse_phase_prop(). We no longer need to create
> > copies or allocate new memory.
> >
> > sx9324_parse_phase_prop() will simply return the default def value if it
> > fails.
> >
> > This also cleans up some deprecated strncpy() uses [1].
> >
> > Furthermore, let's clean up this code further by removing some unused
> > defines:
> > |  #define SX9324_PIN_DEF "semtech,ph0-pin"
> > |  #define SX9324_RESOLUTION_DEF "semtech,ph01-resolution"
> > |  #define SX9324_PROXRAW_DEF "semtech,ph01-proxraw-strength"
> >
> > Link: https://www.kernel.org/doc/html/latest/process/deprecated.html#strncpy-on-nul-terminated-strings [1]
> > Link: https://github.com/KSPP/linux/issues/90
> > Cc: linux-hardening@xxxxxxxxxxxxxxx
> > Signed-off-by: Justin Stitt <justinstitt@xxxxxxxxxx>
> > ---  
> 
> Reviewed-by: Stephen Boyd <swboyd@xxxxxxxxxxxx>

Applied




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