On Tue, 17 Jul 2007, Randy Dunlap wrote:
>
> > + if ((print_timestamp >= touch_timestamp &&
> > + print_timestamp < (touch_timestamp + 1)) ||
> > + did_panic || !per_cpu(watchdog_task, this_cpu)) {
> > return;
> > + }
> >
> > /* do not print during early bootup: */
> > if (unlikely(system_state != SYSTEM_RUNNING)) {
>
> patch contains unneeded braces { }.
When there are issues with indentation, those braces are actually not
unneeded any more, except for the compiler.
Just _look_ at the code. The indentation is not obvious, because the
if-conditional itself is multiple lines, and indented (arguably wrongly so
too, but that's another issue).
So it's no longer a trivial one-liner statement, it's a "multi-statement"
spread out over multiple lines, and I think the braces are actually a good
idea for things like that.
I also encourage people do do braces when you have nested indentation, ie
if (something)
if (somethingelse)
return;
is actively *wrong*, while
if (something) {
if (somethingelse)
return;
}
is right, even though the braces are "unnecessary". Again, it's about the
visual representation, not about whether the compiler needs them or not.
Linus
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