IB/sysfs: remove unused va_list args

_show_port_gid_attr performs a va_end on some unused va_list args.
Clean this up by removing the args completely.

Fixes: 470be516a226e8 ("IB/core: Add gid attributes to sysfs")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Reviewed-by: Ira Weiny <ira.weiny@intel.com>
Reviewed-by: Jason Gunthorpe <jgunthorpe@obsidianresearch.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>

drivers/infiniband/core/sysfs.c

@@ -336,7 +336,6 @@ static ssize_t _show_port_gid_attr(struct ib_port *p,
 	union ib_gid gid;
 	struct ib_gid_attr gid_attr = {};
 	ssize_t ret;
-	va_list args;
 
 	ret = ib_query_gid(p->ibdev, p->port_num, tab_attr->index, &gid,
 			   &gid_attr);
@@ -348,7 +347,6 @@ static ssize_t _show_port_gid_attr(struct ib_port *p,
 err:
 	if (gid_attr.ndev)
 		dev_put(gid_attr.ndev);
-	va_end(args);
 	return ret;
 }