IB/core: Refactor to avoid unnecessary check on GID lookup miss
Currently on every gid entry comparison miss found variable is checked;
which is not needed as those two comparison fail already indicate that
GID is not found yet.
So refactor to avoid such check and copy the GID index when found.
Signed-off-by: Parav Pandit <parav@mellanox.com>
Reviewed-by: Daniel Jurgens <danielj@mellanox.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
diff --git a/drivers/infiniband/core/cache.c b/drivers/infiniband/core/cache.c
index 7751563..43300b8 100644
--- a/drivers/infiniband/core/cache.c
+++ b/drivers/infiniband/core/cache.c
@@ -573,27 +573,24 @@ static int ib_cache_gid_find_by_filter(struct ib_device *ib_dev,
struct ib_gid_attr attr;
if (table->data_vec[i].props & GID_TABLE_ENTRY_INVALID)
- goto next;
+ continue;
if (memcmp(gid, &table->data_vec[i].gid, sizeof(*gid)))
- goto next;
+ continue;
memcpy(&attr, &table->data_vec[i].attr, sizeof(attr));
- if (filter(gid, &attr, context))
+ if (filter(gid, &attr, context)) {
found = true;
-
-next:
- if (found)
+ if (index)
+ *index = i;
break;
+ }
}
read_unlock_irqrestore(&table->rwlock, flags);
if (!found)
return -ENOENT;
-
- if (index)
- *index = i;
return 0;
}