jffs2: drop redundant S_IFDIR from mkdir

vfs_mkdir() now sets the S_IFDIR type bit in the mode it passes to
->mkdir(), so OR-ing S_IFDIR into the mode again in jffs2_mkdir() is
redundant. Drop it.

Assisted-by: LLM
Signed-off-by: Jori Koolstra <jkoolstra@xs4all.nl>
Link: https://patch.msgid.link/20260630105400.68459-17-jkoolstra@xs4all.nl
Reviewed-by: NeilBrown <neil@brown.name>
Signed-off-by: Christian Brauner (Amutable) <brauner@kernel.org>

fs/jffs2/dir.c

@@ -462,8 +462,6 @@ static struct dentry *jffs2_mkdir (struct mnt_idmap *idmap, struct inode *dir_i,
 	uint32_t alloclen;
 	int ret;
 
-	mode |= S_IFDIR;
-
 	ri = jffs2_alloc_raw_inode();
 	if (!ri)
 		return ERR_PTR(-ENOMEM);