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    Subject[PATCH 5.18 015/879] USB: serial: pl2303: fix type detection for odd device
    Date
    From: Johan Hovold <johan@kernel.org>

    commit e82e7c6dde91acd6748d672a44dc1980ce239f86 upstream.

    At least one pl2303 device has a bcdUSB of 1.0.1 which most likely was
    was intended as 1.1.

    Allow bcdDevice 1.0.1 but interpret it as 1.1.

    Fixes: 1e9faef4d26d ("USB: serial: pl2303: fix HX type detection")
    Cc: stable@vger.kernel.org # 5.13
    Link: https://lore.kernel.org/linux-usb/CAJixRzqf4a9-ZKZDgWxicc_BpfdZVE9qqGmkiO7xEstOXUbGvQ@mail.gmail.com
    Reported-by: Gary van der Merwe <gary.vandermerwe@fnb.co.za>
    Link: https://lore.kernel.org/r/20220517161736.13313-1-johan@kernel.org
    Signed-off-by: Johan Hovold <johan@kernel.org>
    Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
    ---
    drivers/usb/serial/pl2303.c | 3 +++
    1 file changed, 3 insertions(+)

    --- a/drivers/usb/serial/pl2303.c
    +++ b/drivers/usb/serial/pl2303.c
    @@ -421,6 +421,9 @@ static int pl2303_detect_type(struct usb
    bcdUSB = le16_to_cpu(desc->bcdUSB);

    switch (bcdUSB) {
    + case 0x101:
    + /* USB 1.0.1? Let's assume they meant 1.1... */
    + fallthrough;
    case 0x110:
    switch (bcdDevice) {
    case 0x300:

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