[XFS] silence gcc4 warnings. the directory ones are wrong because of

information gcc could not find out (that a directory always has a ..
entry), the others are outright gcc bugs.

SGI-PV: 943511
SGI-Modid: xfs-linux:xfs-kern:200055a

Signed-off-by: Christoph Hellwig <hch@sgi.com>
Signed-off-by: Nathan Scott <nathans@sgi.com>

1 files changed, 7 insertions, 0 deletions

diff --git a/fs/xfs/xfs_ialloc_btree.c b/fs/xfs/xfs_ialloc_btree.c
index e5c23445d38b..6912143f6ffe 100644
--- a/fs/xfs/xfs_ialloc_btree.c
+++ b/fs/xfs/xfs_ialloc_btree.c
@@ -551,6 +551,13 @@ xfs_inobt_insrec(
         xfs_inobt_rec_t         *rp=NULL;       /* pointer to btree records */
 
         /*
+         * GCC doesn't understand the (arguably complex) control flow in
+         * this function and complains about uninitialized structure fields
+         * without this.
+         */
+        memset(&nrec, 0, sizeof(nrec));
+
+        /*
          * If we made it to the root level, allocate a new root block
          * and we're done.
          */