Re: xfs_icache.c:1298]: (style) Redundant condition

From: Christoph Hellwig
Date: Mon Aug 01 2016 - 02:32:17 EST


On Mon, Jul 25, 2016 at 04:13:28PM +0100, David Binderman wrote:
> Hello there,
>
> linux-4.7/fs/xfs/xfs_icache.c:1298]: (style) Redundant condition:
> eofb. '!eofb || (eofb && eofb.eof_scan_owner!=0)' is equivalent to
> '!eofb || eofb.eof_scan_owner!=0'
>
> Source code is
>
> ASSERT(!eofb || (eofb && eofb->eof_scan_owner != 0));
>
> Maybe better code
>
> ASSERT(!eofb || (eofb->eof_scan_owner != 0));

Yes, that would be better. But it's probably not worth changing
existing code just for that.