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authorWenwei Tao <ww.tao0320@gmail.com>2016-01-12 09:49:15 +0300
committerJens Axboe <axboe@fb.com>2016-01-12 18:21:15 +0300
commit3cd485b1f8e25a6534eb4c542e7eba1b944fbaaf (patch)
tree57095214abdef867218f39434ed3ca72870d3263 /drivers/lightnvm/gennvm.c
parent168309855a7d1e16db751e9c647119fe2d2dc878 (diff)
downloadlinux-3cd485b1f8e25a6534eb4c542e7eba1b944fbaaf.tar.xz
lightnvm: fix bio submission issue
Put bio when submission fails, since we get it before submission. And return error when backend device driver doesn't provide a submit_io method, thus we can end IO properly. 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/gennvm.c')
-rw-r--r--drivers/lightnvm/gennvm.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/lightnvm/gennvm.c b/drivers/lightnvm/gennvm.c
index a54b339951a3..62c6f4d11f24 100644
--- a/drivers/lightnvm/gennvm.c
+++ b/drivers/lightnvm/gennvm.c
@@ -345,7 +345,7 @@ static void gennvm_generic_to_addr_mode(struct nvm_dev *dev, struct nvm_rq *rqd)
static int gennvm_submit_io(struct nvm_dev *dev, struct nvm_rq *rqd)
{
if (!dev->ops->submit_io)
- return 0;
+ return -ENODEV;
/* Convert address space */
gennvm_generic_to_addr_mode(dev, rqd);