* [PATCH] Btrfs: use right type to get real comparison
@ 2014-06-08 11:04 Liu Bo
0 siblings, 0 replies; only message in thread
From: Liu Bo @ 2014-06-08 11:04 UTC (permalink / raw)
To: linux-btrfs
We want to make sure the point is still within the extent item, not to verify
the memory it's pointing to.
Signed-off-by: Liu Bo <bo.li.liu@oracle.com>
---
fs/btrfs/backref.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/fs/btrfs/backref.c b/fs/btrfs/backref.c
index e9d9e52..d5e8c43 100644
--- a/fs/btrfs/backref.c
+++ b/fs/btrfs/backref.c
@@ -1431,7 +1431,7 @@ static int __get_extent_inline_ref(unsigned long *ptr, struct extent_buffer *eb,
*out_eiref = (struct btrfs_extent_inline_ref *)(ei + 1);
}
*ptr = (unsigned long)*out_eiref;
- if ((void *)*ptr >= (void *)ei + item_size)
+ if ((unsigned long)(*ptr) >= (unsigned long)ei + item_size)
return -ENOENT;
}
--
1.8.1.4
^ permalink raw reply related [flat|nested] only message in thread
only message in thread, other threads:[~2014-06-08 11:04 UTC | newest]
Thread overview: (only message) (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2014-06-08 11:04 [PATCH] Btrfs: use right type to get real comparison Liu Bo
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).