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authorWenwei Tao <ww.tao0320@gmail.com>2015-11-20 13:47:53 +0100
committerJens Axboe <axboe@fb.com>2015-11-20 16:33:14 +0100
commit480fc0db819d706ea5608545a12d33cf8d5a31ab (patch)
tree0d3b5af91393d96ef5903327a85ec549b00cf052 /drivers/lightnvm
parentnull_blk: do not del gendisk with lightnvm (diff)
downloadlinux-480fc0db819d706ea5608545a12d33cf8d5a31ab.tar.xz
linux-480fc0db819d706ea5608545a12d33cf8d5a31ab.zip
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>
Diffstat (limited to 'drivers/lightnvm')
-rw-r--r--drivers/lightnvm/core.c6
1 files changed, 2 insertions, 4 deletions
diff --git a/drivers/lightnvm/core.c b/drivers/lightnvm/core.c
index 8a556f3f36bb..bed47e7249a9 100644
--- 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;
}