hostfs: Use correct mask for file mode

S_IFMT is obviously wrong and needs to be 0777.
We're interested in the file mode, not the type.

Fixes: b98b9102 (hostfs: No need to box and later unbox the file mode)
Reported-by: Markus Stenberg <markus.stenberg@iki.fi>
Signed-off-by: Richard Weinberger <richard@nod.at>

fs/hostfs/hostfs_kern.c

@@ -581,7 +581,7 @@ static int hostfs_create(struct inode *dir, struct dentry *dentry, umode_t mode,
 	if (name == NULL)
 		goto out_put;
 
-	fd = file_create(name, mode & S_IFMT);
+	fd = file_create(name, mode & 0777);
 	if (fd < 0)
 		error = fd;
 	else