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 <jaeg...@kernel.org>
---
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)
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