From: Eric Sandeen Date: Tue, 23 May 2017 02:54:10 +0000 (-0700) Subject: xfs: fix unaligned access in xfs_btree_visit_blocks X-Git-Tag: v4.12-rc3~14^2~4 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=a4d768e702de224cc85e0c8eac9311763403b368;p=platform%2Fkernel%2Flinux-exynos.git xfs: fix unaligned access in xfs_btree_visit_blocks 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 --- diff --git a/fs/xfs/libxfs/xfs_btree.c b/fs/xfs/libxfs/xfs_btree.c index 5392674..3a673ba 100644 --- a/fs/xfs/libxfs/xfs_btree.c +++ b/fs/xfs/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 */