uml/hostfs: Propagate dirent.d_type to filldir()

Currently the (optional) d_type member in struct dirent is always
DT_UNKNOWN on hostfs, which may confuse buggy software using readdir().
Make sure to propagate its value from the underlying filesystem if it's
available there.

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Richard Weinberger <richard@nod.at>

1 files changed, 3 insertions, 2 deletions

diff --git a/fs/hostfs/hostfs_kern.c b/fs/hostfs/hostfs_kern.c
index e130bd46d671..dc4222bd6e77 100644
--- a/fs/hostfs/hostfs_kern.c
+++ b/fs/hostfs/hostfs_kern.c
@@ -283,6 +283,7 @@ int hostfs_readdir(struct file *file, void *ent, filldir_t filldir)
         char *name;
         unsigned long long next, ino;
         int error, len;
+        unsigned int type;
 
         name = dentry_name(file->f_path.dentry);
         if (name == NULL)
@@ -292,9 +293,9 @@ int hostfs_readdir(struct file *file, void *ent, filldir_t filldir)
         if (dir == NULL)
                 return -error;
         next = file->f_pos;
-        while ((name = read_dir(dir, &next, &ino, &len)) != NULL) {
+        while ((name = read_dir(dir, &next, &ino, &len, &type)) != NULL) {
                 error = (*filldir)(ent, name, len, file->f_pos,
-                                   ino, DT_UNKNOWN);
+                                   ino, type);
                 if (error) break;
                 file->f_pos = next;
         }