If get_node_page() gets zero nid, we can return early without getting a wrong page. For example, get_dnode_of_data() can try to do that. Signed-off-by: Jaegeuk Kim <jaegeuk@xxxxxxxxxx> --- fs/f2fs/node.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/fs/f2fs/node.c b/fs/f2fs/node.c index 341de5d..e17128d 100644 --- a/fs/f2fs/node.c +++ b/fs/f2fs/node.c @@ -1059,6 +1059,9 @@ struct page *get_node_page(struct f2fs_sb_info *sbi, pgoff_t nid) { struct page *page; int err; + + if (!nid) + return ERR_PTR(-ENOENT); repeat: page = grab_cache_page(NODE_MAPPING(sbi), nid); if (!page) -- 2.5.4 (Apple Git-61) -- To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html