[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, 8 insertions, 0 deletions

diff --git a/fs/xfs/xfs_alloc_btree.c b/fs/xfs/xfs_alloc_btree.c
index 1a34b7d99bcd..7ecc8c0611d1 100644
--- a/fs/xfs/xfs_alloc_btree.c
+++ b/fs/xfs/xfs_alloc_btree.c
@@ -614,6 +614,14 @@ xfs_alloc_insrec(
         xfs_alloc_rec_t         *rp;    /* pointer to btree records */
 
         ASSERT(INT_GET(recp->ar_blockcount, ARCH_CONVERT) > 0);
+
+        /*
+         * 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.