From f9a6d642cdb1c36cf1e0e63a17d2d99485afe262 Mon Sep 17 00:00:00 2001 From: Eric Sandeen Date: Wed, 14 Jun 2017 15:47:14 -0500 Subject: [PATCH] xfs: fix unaligned access in xfs_btree_visit_blocks Source kernel commit: a4d768e702de224cc85e0c8eac9311763403b368 This structure copy was throwing unaligned access warnings on sparc64: Kernel unaligned access at TPC[1043c088] xfs_btree_visit_blocks+0x88/0xe0 [xfs] xfs_btree_copy_ptrs does a memcpy, which avoids it. Signed-off-by: Eric Sandeen Reviewed-by: Darrick J. Wong Signed-off-by: Darrick J. Wong Signed-off-by: Eric Sandeen --- libxfs/xfs_btree.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libxfs/xfs_btree.c b/libxfs/xfs_btree.c index a9e1fa805..33bf0dbe8 100644 --- a/libxfs/xfs_btree.c +++ b/libxfs/xfs_btree.c @@ -4395,7 +4395,7 @@ xfs_btree_visit_blocks( xfs_btree_readahead_ptr(cur, ptr, 1); /* save for the next iteration of the loop */ - lptr = *ptr; + xfs_btree_copy_ptrs(cur, &lptr, ptr, 1); } /* for each buffer in the level */ -- 2.47.2