diff options
Diffstat (limited to 'fs/mpage.c')
| -rw-r--r-- | fs/mpage.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/fs/mpage.c b/fs/mpage.c index b9b7f6dc9c37..22b9de5ddd68 100644 --- a/fs/mpage.c +++ b/fs/mpage.c @@ -532,6 +532,8 @@ static int __mpage_writepage(struct folio *folio, struct writeback_control *wbc, map_bh.b_size = 1 << blkbits; if (mpd->get_block(inode, block_in_file, &map_bh, 1)) goto confused; + if (!buffer_mapped(&map_bh)) + goto confused; if (buffer_new(&map_bh)) clean_bdev_bh_alias(&map_bh); if (buffer_boundary(&map_bh)) { |