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xfs: cleanup xfs_bmse_merge returns 

Signed-off-by: Dave Chinner <dchinner@redhat.com>

xfs_bmse_merge() has a jump label for return that just returns the
error value. Convert all the code to just return the error directly
and use XFS_WANT_CORRUPTED_RETURN. This also allows the final call
to xfs_bmbt_update() to return directly.

Noticed while reviewing coccinelle return cleanup patches and
wondering why the same return pattern as in xfs_bmse_shift_one()
wasn't picked up by the checker pattern...

Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Brian Foster <bfoster@redhat.com>
Signed-off-by: Dave Chinner <david@fromorbit.com>
This commit is contained in:
Dave Chinner 2014-12-04 09:42:40 +11:00 committed by Dave Chinner
parent b11bd671ba
commit 4db431f57b
1 changed files with 8 additions and 15 deletions
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23
fs/xfs/libxfs/xfs_bmap.c
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@ -5489,32 +5489,25 @@ xfs_bmse_merge(
error = xfs_bmbt_lookup_eq(cur, got.br_startoff, got.br_startblock,
got.br_blockcount, &i);
if (error)
goto out_error;
XFS_WANT_CORRUPTED_GOTO(i == 1, out_error);
return error;
XFS_WANT_CORRUPTED_RETURN(i == 1);
error = xfs_btree_delete(cur, &i);
if (error)
goto out_error;
XFS_WANT_CORRUPTED_GOTO(i == 1, out_error);
return error;
XFS_WANT_CORRUPTED_RETURN(i == 1);
/* lookup and update size of the previous extent */
error = xfs_bmbt_lookup_eq(cur, left.br_startoff, left.br_startblock,
left.br_blockcount, &i);
if (error)
goto out_error;
XFS_WANT_CORRUPTED_GOTO(i == 1, out_error);
return error;
XFS_WANT_CORRUPTED_RETURN(i == 1);
left.br_blockcount = blockcount;
error = xfs_bmbt_update(cur, left.br_startoff, left.br_startblock,
left.br_blockcount, left.br_state);
if (error)
goto out_error;
return 0;
out_error:
return error;
return xfs_bmbt_update(cur, left.br_startoff, left.br_startblock,
left.br_blockcount, left.br_state);
}
/*