Messages in this thread | | | Subject | Re: [PATCH] gpio: acpi: work around false-positive -Wstring-overflow warning | From | Joe Perches <> | Date | Wed, 06 Sep 2017 16:42:10 -0700 |
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On Wed, 2017-09-06 at 21:53 +0200, Arnd Bergmann wrote: > On Wed, Sep 6, 2017 at 5:52 PM, Joe Perches <joe@perches.com> wrote: > > On Wed, 2017-09-06 at 17:47 +0200, Arnd Bergmann wrote: > > > As suggested by Andy, this changes the format string to have a fixed length. > > > Since modifying the range check did not help, I also opened a bug against > > > gcc, see link below. > > > > The code has > > > > int pin > > > > does changing pin to unsigned int matter? > > No difference, see also the gcc bugzilla report.
Perhaps the bug report does not apply here as the function is casting a unsigned int to an int through a pointer when the int could now be negative, the int is tested for < 256 and is then printed.
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