[Cluster-devel] [PATCH 7/9] gfs2: handle a NULL folio in gfs2_jhead_process_page

[Christoph Hellwig]

filemap_get_folio can return NULL, so exit early for that case.

Signed-off-by: Christoph Hellwig <h...@lst.de>
---
 fs/gfs2/lops.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/fs/gfs2/lops.c b/fs/gfs2/lops.c
index 1902413d5d123e..51d4b610127cdb 100644
--- a/fs/gfs2/lops.c
+++ b/fs/gfs2/lops.c
@@ -472,6 +472,8 @@ static void gfs2_jhead_process_page(struct gfs2_jdesc *jd, 
unsigned long index,
        struct folio *folio;
 
        folio = filemap_get_folio(jd->jd_inode->i_mapping, index);
+       if (!folio)
+               return;
 
        folio_wait_locked(folio);
        if (folio_test_error(folio))
-- 
2.39.0