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xfs: always set rvalp in xfs_dir2_node_trim_free 

xfs_dir2_node_trim_free can return with setting the rvalp argument
pointer.  Initialize it to 0 at the beginning of the function and
only update it to 1 if we succeeded trimming a freespace block.

Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Carlos Maiolino <cmaiolino@redhat.com>
Signed-off-by: Dave Chinner <david@fromorbit.com>
This commit is contained in:
Christoph Hellwig 2016-03-15 11:44:18 +11:00 committed by Dave Chinner
parent cc07eed833
commit 355cced452
1 changed files with 3 additions and 1 deletions
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4
fs/xfs/libxfs/xfs_dir2_node.c
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@ -2235,6 +2235,9 @@ xfs_dir2_node_trim_free(
dp = args->dp;
tp = args->trans;
*rvalp = 0;
/*
* Read the freespace block.
*/
@ -2255,7 +2258,6 @@ xfs_dir2_node_trim_free(
*/
if (freehdr.nused > 0) {
xfs_trans_brelse(tp, bp);
*rvalp = 0;
return 0;
}
/*