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ata: fix sparse warning in libata.h

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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>
This commit is contained in:
Harvey Harrison 2008-02-15 13:41:32 -08:00 committed by Jeff Garzik
parent 3326732570
commit 5d44b414da
1 changed files with 1 additions and 1 deletions
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include/linux/libata.h
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@ -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;
}