[PATCH 7/9] gfs2: handle a NULL folio in gfs2_jhead_process_page
Christoph Hellwig
hch at lst.de
Wed Jan 18 01:43:27 PST 2023
filemap_get_folio can return NULL, so exit early for that case.
Signed-off-by: Christoph Hellwig <hch at 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
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