btrfs: fix free dip and dip->csums twice

bio_endio() will free dip and dip->csums, so dip and dip->csums twice will
be freed twice. Fix it.

Signed-off-by: Miao Xie <miaox@cn.fujitsu.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>

1 files changed, 3 insertions, 6 deletions

diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index 5132c9af888a..8c027aa0020a 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -5731,7 +5731,7 @@ static void btrfs_submit_direct(int rw, struct bio *bio, struct inode *inode,
 
         ret = btrfs_bio_wq_end_io(root->fs_info, bio, 0);
         if (ret)
-                goto out_err;
+                goto free_ordered;
 
         if (write && !skip_sum) {
                 ret = btrfs_wq_submit_bio(BTRFS_I(inode)->root->fs_info,
@@ -5740,7 +5740,7 @@ static void btrfs_submit_direct(int rw, struct bio *bio, struct inode *inode,
                                    __btrfs_submit_bio_start_direct_io,
                                    __btrfs_submit_bio_done);
                 if (ret)
-                        goto out_err;
+                        goto free_ordered;
                 return;
         } else if (!skip_sum)
                 btrfs_lookup_bio_sums_dio(root, inode, bio,
@@ -5748,11 +5748,8 @@ static void btrfs_submit_direct(int rw, struct bio *bio, struct inode *inode,
 
         ret = btrfs_map_bio(root, rw, bio, 0, 1);
         if (ret)
-                goto out_err;
+                goto free_ordered;
         return;
-out_err:
-        kfree(dip->csums);
-        kfree(dip);
 free_ordered:
         /*
          * If this is a write, we need to clean up the reserved space and kill