[PATCH 4.4 02/25] btrfs: assign error values to the correct bio structs

[Greg Kroah-Hartman]

4.4-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Junjie Mao <junjie....@enight.me>

commit 14155cafeadda946376260e2ad5d39a0528a332f upstream.

Fixes: 4246a0b63bd8 ("block: add a bi_error field to struct bio")
Signed-off-by: Junjie Mao <junjie....@enight.me>
Acked-by: David Sterba <dste...@suse.cz>
Signed-off-by: Linus Torvalds <torva...@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gre...@linuxfoundation.org>

---
 fs/btrfs/compression.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

--- a/fs/btrfs/compression.c
+++ b/fs/btrfs/compression.c
@@ -694,7 +694,7 @@ int btrfs_submit_compressed_read(struct
                        ret = btrfs_map_bio(root, READ, comp_bio,
                                            mirror_num, 0);
                        if (ret) {
-                               bio->bi_error = ret;
+                               comp_bio->bi_error = ret;
                                bio_endio(comp_bio);
                        }
 
@@ -723,7 +723,7 @@ int btrfs_submit_compressed_read(struct
 
        ret = btrfs_map_bio(root, READ, comp_bio, mirror_num, 0);
        if (ret) {
-               bio->bi_error = ret;
+               comp_bio->bi_error = ret;
                bio_endio(comp_bio);
        }