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authorChristoph Hellwig <hch@lst.de>2016-03-15 11:44:18 +1100
committerDave Chinner <david@fromorbit.com>2016-03-15 11:44:18 +1100
commit355cced45286ed7e710058174066628ff9ad9fa4 (patch)
treed65ab254733c0930903649e73b41ca97a98a0036
parentcc07eed8336d6452214d13e0cba770a0f5296a7f (diff)
downloadop-kernel-dev-355cced45286ed7e710058174066628ff9ad9fa4.zip
op-kernel-dev-355cced45286ed7e710058174066628ff9ad9fa4.tar.gz
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>
-rw-r--r--fs/xfs/libxfs/xfs_dir2_node.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/fs/xfs/libxfs/xfs_dir2_node.c b/fs/xfs/libxfs/xfs_dir2_node.c
index 63ee03d..75a5574 100644
--- a/fs/xfs/libxfs/xfs_dir2_node.c
+++ b/fs/xfs/libxfs/xfs_dir2_node.c
@@ -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;
}
/*
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