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-rw-r--r--drivers/usb/gadget/function/f_fs.c7
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;
}