Btrfs: Fix crash on read failures at mount

[platform/kernel/linux-starfive.git] / fs / buffer.c

diff --git a/fs/buffer.c b/fs/buffer.c
index aed2977..4910612 100644 (file)
--- a/fs/buffer.c
+++ b/fs/buffer.c
@@ -2736,6 +2736,8 @@ has_buffers:
                pos += blocksize;
        }
 
+       map_bh.b_size = blocksize;
+       map_bh.b_state = 0;
        err = get_block(inode, iblock, &map_bh, 0);
        if (err)
                goto unlock;