Merge tag 'mm-stable-2023-04-27-15-30' of git://git.kernel.org/pub/scm/linux/kernel...

[linux-block.git] / fs / ext4 / verity.c

diff --git a/fs/ext4/verity.c b/fs/ext4/verity.c
index 3b01247066dd1360ca6da2b8bcf1d54b16acd9bb..2f37e1ea395510ea08af5f14f7e07337a155ca2d 100644 (file)
--- a/fs/ext4/verity.c
+++ b/fs/ext4/verity.c
@@ -366,14 +366,16 @@ static struct page *ext4_read_merkle_tree_page(struct inode *inode,
        index += ext4_verity_metadata_pos(inode) >> PAGE_SHIFT;
 
        folio = __filemap_get_folio(inode->i_mapping, index, FGP_ACCESSED, 0);
-       if (!folio || !folio_test_uptodate(folio)) {
+       if (IS_ERR(folio) || !folio_test_uptodate(folio)) {
                DEFINE_READAHEAD(ractl, NULL, NULL, inode->i_mapping, index);
 
-               if (folio)
+               if (!IS_ERR(folio))
                        folio_put(folio);
                else if (num_ra_pages > 1)
                        page_cache_ra_unbounded(&ractl, num_ra_pages, 0);
                folio = read_mapping_folio(inode->i_mapping, index, NULL);
+               if (IS_ERR(folio))
+                       return ERR_CAST(folio);
        }
        return folio_file_page(folio, index);
 }