lightnvm: wrong return value and redundant free

The return value should be non-zero under error conditions.
Remove nvme_free(dev) to avoid free dev more than once.

Signed-off-by: Wenwei Tao <ww.tao0320@gmail.com>
Signed-off-by: Matias Bjørling <m@bjorling.me>
Signed-off-by: Jens Axboe <axboe@fb.com>

diff --git a/drivers/lightnvm/core.c b/drivers/lightnvm/core.c
index 8a556f3f36bb226996153f671c73ab532b5de168..bed47e7249a91a48f8dc416b6eceab344cbd30f0 100644 (file)
--- a/drivers/lightnvm/core.c
+++ b/drivers/lightnvm/core.c
@@ -222,14 +222,13 @@ static void nvm_free(struct nvm_dev *dev)
 static int nvm_init(struct nvm_dev *dev)
 {
        struct nvmm_type *mt;
-       int ret = 0;
+       int ret = -EINVAL;
 
        if (!dev->q || !dev->ops)
-               return -EINVAL;
+               return ret;
 
        if (dev->ops->identity(dev->q, &dev->identity)) {
                pr_err("nvm: device could not be identified\n");
-               ret = -EINVAL;
                goto err;
        }
 
@@ -275,7 +274,6 @@ static int nvm_init(struct nvm_dev *dev)
                        dev->nr_chnls);
        return 0;
 err:
-       nvm_free(dev);
        pr_err("nvm: failed to initialize nvm\n");
        return ret;
 }