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Commit a4d768e7 authored by Eric Sandeen's avatar Eric Sandeen Committed by Darrick J. Wong
Browse files

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: 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>
parent 3ecb3ac7

fs/xfs/libxfs/xfs_btree.c

+1 −1
Original line number Diff line number Diff line
@@ -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 */