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: C0P2-H0.0--20200415~8789 X-Git-Url: https://git.somdevices.com/?a=commitdiff_plain;h=75c5afd58d4696b4dce6ed931c49da9975962f99;p=linux.git xfs: fix unaligned access in xfs_btree_visit_blocks commit a4d768e702de224cc85e0c8eac9311763403b368 upstream. 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: Greg Kroah-Hartman --- diff --git a/fs/xfs/libxfs/xfs_btree.c b/fs/xfs/libxfs/xfs_btree.c index 2849d3fa3d0b..91c68913d495 100644 --- a/fs/xfs/libxfs/xfs_btree.c +++ b/fs/xfs/libxfs/xfs_btree.c @@ -4376,7 +4376,7 @@ 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 */