Harvey Harrison wrote:
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@xxxxxxxxx>
---
include/linux/libata.h | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/include/linux/libata.h b/include/linux/libata.h
index bc5a8d0..a6243bb 100644
--- a/include/linux/libata.h
+++ b/include/linux/libata.h
@@ -1207,7 +1207,7 @@ 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;
applied
-
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