From: Pavankumar Kondeti Date: Sat, 22 Jan 2022 03:03:22 +0000 (+0530) Subject: usb: gadget: f_sourcesink: Fix isoc transfer for USB_SPEED_SUPER_PLUS X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=904edf8aeb459697129be5fde847e2a502f41fd9;p=linux.git usb: gadget: f_sourcesink: Fix isoc transfer for USB_SPEED_SUPER_PLUS Currently when gadget enumerates in super speed plus, the isoc endpoint request buffer size is not calculated correctly. Fix this by checking the gadget speed against USB_SPEED_SUPER_PLUS and update the request buffer size. Fixes: 90c4d05780d4 ("usb: fix various gadgets null ptr deref on 10gbps cabling.") Cc: stable Signed-off-by: Pavankumar Kondeti Link: https://lore.kernel.org/r/1642820602-20619-1-git-send-email-quic_pkondeti@quicinc.com Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/usb/gadget/function/f_sourcesink.c b/drivers/usb/gadget/function/f_sourcesink.c index 1abf08e5164af..6803cd60cc6dc 100644 --- a/drivers/usb/gadget/function/f_sourcesink.c +++ b/drivers/usb/gadget/function/f_sourcesink.c @@ -584,6 +584,7 @@ static int source_sink_start_ep(struct f_sourcesink *ss, bool is_in, if (is_iso) { switch (speed) { + case USB_SPEED_SUPER_PLUS: case USB_SPEED_SUPER: size = ss->isoc_maxpacket * (ss->isoc_mult + 1) *