@@ -1972,6 +1972,9 @@ static int shmem_get_folio_gfp(struct inode *inode, pgoff_t index,
int error;
bool alloced;
+ if (WARN_ON_ONCE(!shmem_mapping(inode->i_mapping)))
+ return -EINVAL;
+
if (index > (MAX_LFS_FILESIZE >> PAGE_SHIFT))
return -EFBIG;
repeat:
@@ -4915,7 +4918,6 @@ struct folio *shmem_read_folio_gfp(struct address_space *mapping,
struct folio *folio;
int error;
- BUG_ON(!shmem_mapping(mapping));
error = shmem_get_folio_gfp(inode, index, &folio, SGP_CACHE,
gfp, NULL, NULL);
if (error)