This change was recommended by Coccinelle tool when I ran the command:
-bash-4.2$ make coccicheck MODE=patch M=drivers/infiniband/hw/hfi1/
Reviewed-by: Jubin John <jubin.john@intel.com>
Reviewed-by: Mike Marciniszyn <mike.marciniszyn@intel.com>
Reviewed-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Harish Chegondi <harish.chegondi@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
         * temporary buffer.  Now allocate a correctly sized
         * buffer.
         */
-       data = kmalloc(temp_size, GFP_KERNEL);
+       data = kmemdup(temp_buffer, temp_size, GFP_KERNEL);
        if (!data) {
                ret = -ENOMEM;
                goto fail;
        }
 
-       memcpy(data, temp_buffer, temp_size);
        *size = temp_size;
        *return_data = data;