btrfs: assign error values to the correct bio structs

Fixes: 4246a0b63bd8 ("block: add a bi_error field to struct bio")
Signed-off-by: Junjie Mao <junjie.mao@enight.me>
Acked-by: David Sterba <dsterba@suse.cz>
Cc: stable@vger.kernel.org # 4.3+
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 2 insertions, 2 deletions

diff --git a/fs/btrfs/compression.c b/fs/btrfs/compression.c
index ccc70d96958d..d4d8b7e36b2f 100644
--- a/fs/btrfs/compression.c
+++ b/fs/btrfs/compression.c
@@ -698,7 +698,7 @@ int btrfs_submit_compressed_read(struct inode *inode, struct bio *bio,
 
                         ret = btrfs_map_bio(root, comp_bio, mirror_num, 0);
                         if (ret) {
-                                bio->bi_error = ret;
+                                comp_bio->bi_error = ret;
                                 bio_endio(comp_bio);
                         }
 
@@ -728,7 +728,7 @@ int btrfs_submit_compressed_read(struct inode *inode, struct bio *bio,
 
         ret = btrfs_map_bio(root, comp_bio, mirror_num, 0);
         if (ret) {
-                bio->bi_error = ret;
+                comp_bio->bi_error = ret;
                 bio_endio(comp_bio);
         }