vsock/virtio: mark an internal function static

[karo-tx-linux.git] / drivers / block / null_blk.c

diff --git a/drivers/block/null_blk.c b/drivers/block/null_blk.c
index ba6f4a2e73db506b5fde324b5e840dcb2a50a7f2..4943ee22716e04a3b1427161f28ca9bafdd68a95 100644 (file)
--- a/drivers/block/null_blk.c
+++ b/drivers/block/null_blk.c
@@ -577,6 +577,7 @@ static void null_nvm_unregister(struct nullb *nullb)
 #else
 static int null_nvm_register(struct nullb *nullb)
 {
+       pr_err("null_blk: CONFIG_NVM needs to be enabled for LightNVM\n");
        return -EINVAL;
 }
 static void null_nvm_unregister(struct nullb *nullb) {}