From: Eric Sandeen <sandeen@redhat.com>
To: linux-xfs <linux-xfs@vger.kernel.org>
Subject: [PATCH] xfs: fix unaligned access in xfs_btree_visit_blocks
Date: Mon, 22 May 2017 10:48:14 -0500 [thread overview]
Message-ID: <105ed603-971a-e7db-6040-b85e5eecd928@redhat.com> (raw)
This was throwing unaligned access warnings on sparc64:
Kernel unaligned access at TPC[1043c088] xfs_btree_visit_blocks+0x88/0xe0 [xfs]
Signed-off-by: Eric Sandeen <sandeen@redhat.com>
---
diff --git a/fs/xfs/libxfs/xfs_btree.c b/fs/xfs/libxfs/xfs_btree.c
index 5392674..84089f8 100644
--- a/fs/xfs/libxfs/xfs_btree.c
+++ b/fs/xfs/libxfs/xfs_btree.c
@@ -4395,7 +4395,7 @@ struct xfs_btree_split_args {
xfs_btree_readahead_ptr(cur, ptr, 1);
/* save for the next iteration of the loop */
- lptr = *ptr;
+ lptr = get_unaligned(ptr);
}
/* for each buffer in the level */
next reply other threads:[~2017-05-22 15:48 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-05-22 15:48 Eric Sandeen [this message]
2017-05-22 16:02 ` [PATCH] xfs: fix unaligned access in xfs_btree_visit_blocks Eric Sandeen
2017-05-22 19:07 ` Christoph Hellwig
2017-05-22 19:40 ` Eric Sandeen
2017-05-22 20:06 ` [PATCH V2] " Eric Sandeen
2017-05-22 20:43 ` Darrick J. Wong
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