ldiskfs/kernel_patches/patches/rhel7/ext4-mmp-brelse.patch

   1 --- linux-stage.orig/fs/ext4/mmp.c      2015-10-06 08:21:12.013939184 +0530
   2 +++ linux-stage/fs/ext4/mmp.c   2015-10-06 08:20:35.242939292 +0530
   3 @@ -99,8 +99,11 @@ static int read_mmp_block(struct super_b
   4
   5         mmp = (struct mmp_struct *)((*bh)->b_data);
   6         if (le32_to_cpu(mmp->mmp_magic) != EXT4_MMP_MAGIC ||
   7 -           !ext4_mmp_csum_verify(sb, mmp))
   8 +           !ext4_mmp_csum_verify(sb, mmp)) {
   9 +               brelse(*bh);
  10 +               *bh = NULL;
  11                 return -EINVAL;
  12 +       }
  13
  14         return 0;
  15  }
  16 @@ -219,6 +221,7 @@ static int kmmpd(void *data)
  17                                              "The filesystem seems to have been"
  18                                              " multiply mounted.");
  19                                 ext4_error(sb, "abort");
  20 +                               put_bh(bh_check);
  21                                 goto failed;
  22                         }
  23                         put_bh(bh_check);