Commit 75c5afd5 authored by Eric Sandeen's avatar Eric Sandeen Committed by Greg Kroah-Hartman

xfs: fix unaligned access in xfs_btree_visit_blocks

commit a4d768e7 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: default avatarEric Sandeen <sandeen@redhat.com>
Reviewed-by: default avatarDarrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: default avatarDarrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 7fb8ab8f
......@@ -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 */
......
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