Re: two false alarms from checkpatch.pl

From: Joe Perches
Date: Mon Jun 13 2011 - 19:24:03 EST


On Mon, 2011-06-13 at 16:18 -0700, Jian Peng wrote:
> After running "./scripts/checkpatch.pl -F arch/mips/kernel/syscall.c", I got some errors reported on valid lines
>
> ERROR: space prohibited before open square bracket '['
> #451: FILE: mips/kernel/syscall.c:451:
> + : [addr] "r" (addr),
>
> This line is valid, and if I remove the space in between, it will report a different error
>
> ERROR: spaces required around that ':' (ctx:ExV)
> #448: FILE: mips/kernel/syscall.c:448:
> + :[old] "=&r" (old),
> ^
> In another case, it reported

Known defect. checkpatch doesn't correctly parse asm.
checkpatch output isn't dicta.
You should just ignore it.

> ERROR: trailing statements should be on next line
> #515: FILE: mips/kernel/syscall.c:515:
> + while (1);
>
> This is also valid line.

That's really not a kernel style conformant line.

It really should be written as something like:

while (1) {
; /* Never exit */
}

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