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>

diff --git a/fs/btrfs/compression.c b/fs/btrfs/compression.c
index ccc70d9..d4d8b7e 100644 (file)
--- 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);
        }