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path: root/drivers/block/null_blk.c
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Diffstat (limited to 'drivers/block/null_blk.c')
-rw-r--r--drivers/block/null_blk.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/block/null_blk.c b/drivers/block/null_blk.c
index ba6f4a2e73db..4943ee22716e 100644
--- 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) {}