diff options
| author | Dave Chinner <dchinner@redhat.com> | 2014-03-07 09:19:14 +0400 |
|---|---|---|
| committer | Dave Chinner <david@fromorbit.com> | 2014-03-07 09:19:14 +0400 |
| commit | ac75a1f7a4af4dddcc1ac3c0778f0e3f75dc8f32 (patch) | |
| tree | ac44f40e109615cfda93e22fb79e8953f842393d /fs/xfs/xfs_trans_buf.c | |
| parent | 38dbfb59d1175ef458d006556061adeaa8751b72 (diff) | |
| download | linux-ac75a1f7a4af4dddcc1ac3c0778f0e3f75dc8f32.tar.xz | |
xfs: don't leak EFSBADCRC to userspace
While the verifier routines may return EFSBADCRC when a buffer has
a bad CRC, we need to translate that to EFSCORRUPTED so that the
higher layers treat the error appropriately and we return a
consistent error to userspace. This fixes a xfs/005 regression.
Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Brian Foster <bfoster@redhat.com>
Signed-off-by: Dave Chinner <david@fromorbit.com>
Diffstat (limited to 'fs/xfs/xfs_trans_buf.c')
| -rw-r--r-- | fs/xfs/xfs_trans_buf.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/fs/xfs/xfs_trans_buf.c b/fs/xfs/xfs_trans_buf.c index 647b6f1d8923..b8eef0549f3f 100644 --- a/fs/xfs/xfs_trans_buf.c +++ b/fs/xfs/xfs_trans_buf.c @@ -275,6 +275,10 @@ xfs_trans_read_buf_map( XFS_BUF_UNDONE(bp); xfs_buf_stale(bp); xfs_buf_relse(bp); + + /* bad CRC means corrupted metadata */ + if (error == EFSBADCRC) + error = EFSCORRUPTED; return error; } #ifdef DEBUG @@ -338,6 +342,9 @@ xfs_trans_read_buf_map( if (tp->t_flags & XFS_TRANS_DIRTY) xfs_force_shutdown(tp->t_mountp, SHUTDOWN_META_IO_ERROR); + /* bad CRC means corrupted metadata */ + if (error == EFSBADCRC) + error = EFSCORRUPTED; return error; } } @@ -375,6 +382,10 @@ xfs_trans_read_buf_map( if (tp->t_flags & XFS_TRANS_DIRTY) xfs_force_shutdown(tp->t_mountp, SHUTDOWN_META_IO_ERROR); xfs_buf_relse(bp); + + /* bad CRC means corrupted metadata */ + if (error == EFSBADCRC) + error = EFSCORRUPTED; return error; } #ifdef DEBUG |