Messages in this thread | | * Ingo Molnar <mingo@kernel.org> wrote:
> > * Arnd Bergmann <arnd@arndb.de> wrote: > > > > So I think we should consider it a syntactic construct to avoid. > > > > Unused variables are relatively harmless compared to used-uninitialized > > variables that are always bugs (though they are provably impossible to > > detect correctly in some cases). > > So the thing I was most worried about was that old GCC used to not warn about: > > long __maybe_unused error; > > ... > > if (error) > return error;
Gah - I got totally confused, the dangerous construct I was thinking of was uninitialized_var(), not __maybe_unused.
So ignore my replies! :-)
Thanks,
Ingo
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