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: 90c4d05 ("usb: fix various gadgets null ptr deref on 10gbps cabling.") Cc: stable <[email protected]> Signed-off-by: Pavankumar Kondeti <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Greg Kroah-Hartman <[email protected]>
Rust-for-Linux · Jan 26, 2022 · 904edf8 · 904edf8
1 parent 8259114
commit 904edf8
Showing 1 changed file with 1 addition and 0 deletions.
diff --git 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) *