Commit 5d44b414 authored Feb 15, 2008 by Harvey Harrison Committed by Jeff Garzik Feb 20, 2008

ata: fix sparse warning in libata.h



Avoids lots of these, also is more readable.
include/linux/libata.h:1210:13: warning: potentially expensive pointer subtraction

Change the subtraction to addition on the other side of the comparison.

Thanks to Christer Weinigel for the suggestion.

Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Acked-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>

parent 33267325

include/linux/libata.h

+1 −1

Original line number	Diff line number	Diff line
		@@ -1197,7 +1197,7 @@ static inline struct ata_link ata_port_next_link(struct ata_link link)
		return ap->pmp_link;
		}

		if (++link - ap->pmp_link < ap->nr_pmp_links)
		if (++link < ap->nr_pmp_links + ap->pmp_link)
		return link;
		return NULL;
		}