| Message ID | 1402225453-24555-1-git-send-email-bo.li.liu@oracle.com (mailing list archive) |
|---|---|
| State | Accepted |
| Headers | show |
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; }
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(-)