[PATCH 1/3] bcachefs: Removes NULL pointer checks for filemap_lock_folio() return values

[Youling Tang]

From: Youling Tang <tangyoul...@kylinos.cn>

__filemap_get_folio the return value cannot be NULL, so unnecessary checks
are removed.

Signed-off-by: Youling Tang <tangyoul...@kylinos.cn>
---
 fs/bcachefs/fs-io.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/bcachefs/fs-io.c b/fs/bcachefs/fs-io.c
index dc5f713e209c..74841b1dc8ca 100644
--- a/fs/bcachefs/fs-io.c
+++ b/fs/bcachefs/fs-io.c
@@ -289,7 +289,7 @@ static int __bch2_truncate_folio(struct bch_inode_info 
*inode,
        u64 end_pos;
 
        folio = filemap_lock_folio(mapping, index);
-       if (IS_ERR_OR_NULL(folio)) {
+       if (IS_ERR(folio)) {
                /*
                 * XXX: we're doing two index lookups when we end up reading the
                 * folio
-- 
2.34.1