From: Wenwei Tao <ww.tao0320@gmail.com>
Date: Tue, 12 Jan 2016 06:49:23 +0000 (+0100)
Subject: lightnvm: check bi_error in gc
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=2b11c1b24e50a26d435f1d59955f1268053623b7;p=GitHub%2FLineageOS%2FG12%2Fandroid_kernel_amlogic_linux-4.9.git

lightnvm: check bi_error in gc

We should check last io completion status before
starting another one.

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/rrpc.c b/drivers/lightnvm/rrpc.c
index 661c6f370f5a..5df4a696184a 100644
--- a/drivers/lightnvm/rrpc.c
+++ b/drivers/lightnvm/rrpc.c
@@ -330,6 +330,10 @@ try:
 			goto finished;
 		}
 		wait_for_completion_io(&wait);
+		if (bio->bi_error) {
+			rrpc_inflight_laddr_release(rrpc, rqd);
+			goto finished;
+		}
 
 		bio_reset(bio);
 		reinit_completion(&wait);
@@ -352,6 +356,8 @@ try:
 		wait_for_completion_io(&wait);
 
 		rrpc_inflight_laddr_release(rrpc, rqd);
+		if (bio->bi_error)
+			goto finished;
 
 		bio_reset(bio);
 	}