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authorPavankumar Kondeti <quic_pkondeti@quicinc.com>2022-01-22 08:33:22 +0530
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2022-01-26 13:41:53 +0100
commit904edf8aeb459697129be5fde847e2a502f41fd9 (patch)
treef37b394efc222f73a314c1413d55b4b8858518a8 /drivers/usb
parent825911492eb15bf8bb7fb94bc0c0421fe7a6327d (diff)
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 <stable@vger.kernel.org> Signed-off-by: Pavankumar Kondeti <quic_pkondeti@quicinc.com> Link: https://lore.kernel.org/r/1642820602-20619-1-git-send-email-quic_pkondeti@quicinc.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb')
-rw-r--r--drivers/usb/gadget/function/f_sourcesink.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/usb/gadget/function/f_sourcesink.c b/drivers/usb/gadget/function/f_sourcesink.c
index 1abf08e5164a..6803cd60cc6d 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) *