+ attr = kmalloc(sizeof *attr, GFP_KERNEL);
+ if (!attr) {
+ printk(KERN_WARNING "couldn't allocate device attr struct");
+ return ERR_PTR(-ENOMEM);
+ }
+
+ ret = ib_query_device(device, attr);
+ if (ret) {
+ printk(KERN_WARNING "couldn't query device");
+ kfree(attr);
+ return ERR_PTR(ret);
+ }
+
+ if (!attr->max_map_per_fmr)
+ max_remaps = IB_FMR_MAX_REMAPS;
+ else
+ max_remaps = attr->max_map_per_fmr;
+
+ kfree(attr);
+