On Wed, Jan 23, 2019 at 03:03:47AM -0800, Kees Cook wrote:
> Variables declared in a switch statement before any case statements
> cannot be initialized, so move all instances out of the switches.
> After this, future always-initialized stack variables will work
> and not throw warnings like this:
>
> fs/fcntl.c: In function ‘send_sigio_to_task’:
> fs/fcntl.c:738:13: warning: statement will never be executed
> [-Wswitch-unreachable]
> siginfo_t si;
> ^~
That's a pain, so this means we can't have any new variables in { }
scope except for at the top of a function?
That's going to be a hard thing to keep from happening over time, as
this is valid C :(
greg k-h
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