diff options
| -rw-r--r-- | drivers/usb/gadget/function/f_fs.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/usb/gadget/function/f_fs.c b/drivers/usb/gadget/function/f_fs.c index ddfc537c7526..a277c70aac84 100644 --- a/drivers/usb/gadget/function/f_fs.c +++ b/drivers/usb/gadget/function/f_fs.c @@ -2292,8 +2292,11 @@ static int __ffs_do_os_desc_header(enum ffs_os_desc_type *next_type, u16 bcd_version = le16_to_cpu(desc->bcdVersion); u16 w_index = le16_to_cpu(desc->wIndex); - if (bcd_version != 1) { - pr_vdebug("unsupported os descriptors version: %d", + if (bcd_version == 0x1) { + pr_warn("bcdVersion must be 0x0100, stored in Little Endian order. " + "Userspace driver should be fixed, accepting 0x0001 for compatibility.\n"); + } else if (bcd_version != 0x100) { + pr_vdebug("unsupported os descriptors version: 0x%x\n", bcd_version); return -EINVAL; } |