__filemap_get_folio the return value cannot be NULL, so unnecessary checks
are removed.
Signed-off-by: Youling Tang <tangyouling@kylinos.cn>
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
folio = __filemap_get_folio(mapping, pos >> PAGE_SHIFT,
FGP_WRITEBEGIN | fgf_set_order(len),
mapping_gfp_mask(mapping));
- if (IS_ERR_OR_NULL(folio))
+ if (IS_ERR(folio))
goto err_unlock;
offset = pos - folio_pos(folio);
break;
f = __filemap_get_folio(mapping, pos >> PAGE_SHIFT, fgp_flags, gfp);
- if (IS_ERR_OR_NULL(f))
+ if (IS_ERR(f))
break;
BUG_ON(fs->nr && folio_pos(f) != pos);
folio = __filemap_get_folio(mapping, index,
FGP_LOCK|FGP_CREAT, GFP_KERNEL);
- if (IS_ERR_OR_NULL(folio)) {
+ if (IS_ERR(folio)) {
ret = -ENOMEM;
goto out;
}