diff options
| -rw-r--r-- | fs/ocfs2/aops.c | 20 |
1 files changed, 10 insertions, 10 deletions
diff --git a/fs/ocfs2/aops.c b/fs/ocfs2/aops.c index 0023b31e48a..a480b09c79b 100644 --- a/fs/ocfs2/aops.c +++ b/fs/ocfs2/aops.c @@ -798,6 +798,11 @@ int ocfs2_map_and_write_splice_data(struct inode *inode, } to = from + bytes; + BUG_ON(from > PAGE_CACHE_SIZE); + BUG_ON(to > PAGE_CACHE_SIZE); + BUG_ON(from < cluster_start); + BUG_ON(to > cluster_end); + if (wc->w_this_page_new) ret = ocfs2_map_page_blocks(wc->w_this_page, p_blkno, inode, cluster_start, cluster_end, 1); @@ -809,11 +814,6 @@ int ocfs2_map_and_write_splice_data(struct inode *inode, goto out; } - BUG_ON(from > PAGE_CACHE_SIZE); - BUG_ON(to > PAGE_CACHE_SIZE); - BUG_ON(from > osb->s_clustersize); - BUG_ON(to > osb->s_clustersize); - src = buf->ops->map(sp->s_pipe, buf, 1); dst = kmap_atomic(wc->w_this_page, KM_USER1); memcpy(dst + from, src + src_from, bytes); @@ -890,6 +890,11 @@ int ocfs2_map_and_write_user_data(struct inode *inode, to = from + bytes; + BUG_ON(from > PAGE_CACHE_SIZE); + BUG_ON(to > PAGE_CACHE_SIZE); + BUG_ON(from < cluster_start); + BUG_ON(to > cluster_end); + if (wc->w_this_page_new) ret = ocfs2_map_page_blocks(wc->w_this_page, p_blkno, inode, cluster_start, cluster_end, 1); @@ -901,11 +906,6 @@ int ocfs2_map_and_write_user_data(struct inode *inode, goto out; } - BUG_ON(from > PAGE_CACHE_SIZE); - BUG_ON(to > PAGE_CACHE_SIZE); - BUG_ON(from > osb->s_clustersize); - BUG_ON(to > osb->s_clustersize); - dst = kmap(wc->w_this_page); memcpy(dst + from, bp->b_src_buf + src_from, bytes); kunmap(wc->w_this_page); |