[PATCH 2/2] lightnvm: print error when target is not found

[Minwoo Im]

If userspace requests target to be removed, nvm_remove_tgt() will
iterate the nvm_devices to find out the given target, but if not
found, then it should print out the error.

Cc: Matias Bjørling <m...@lightnvm.io>
Cc: Javier González <jav...@javigon.com>
Signed-off-by: Minwoo Im <minwoo.im....@gmail.com>
---
 drivers/lightnvm/core.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/lightnvm/core.c b/drivers/lightnvm/core.c
index 4c7b48f72e80..4c89a2420a51 100644
--- a/drivers/lightnvm/core.c
+++ b/drivers/lightnvm/core.c
@@ -494,8 +494,11 @@ static int nvm_remove_tgt(struct nvm_ioctl_remove *remove)
        }
        up_read(&nvm_lock);
 
-       if (!t)
+       if (!t) {
+               pr_err("failed to remove target %s not found\n",
+                               remove->tgtname);
                return 1;
+       }
 
        __nvm_remove_target(t, true);
        kref_put(&dev->ref, nvm_free);
-- 
2.17.1