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authorElliott Hughes <enh@google.com>2014-12-08 22:35:40 +0000
committerGerrit Code Review <noreply-gerritcodereview@google.com>2014-12-08 22:35:41 +0000
commitdbb7c46d686e55aabd52a8e4c5494768c8955a2f (patch)
tree0dd21a6faeb3fca211286b7f1452ee5dec200485 /adb
parenta5e9b065efcd2ee91a7a9bee4a44d85c5d30cf13 (diff)
parent58b01e01875e2f6ae593ded197430bc23713dd0a (diff)
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Merge "ADB on linux: Handle USB SuperSpeed extra Descriptors"
Diffstat (limited to 'adb')
-rw-r--r--adb/usb_linux.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/adb/usb_linux.c b/adb/usb_linux.c
index f16bdd0..7d13a5d 100644
--- a/adb/usb_linux.c
+++ b/adb/usb_linux.c
@@ -237,8 +237,20 @@ static void find_usb_device(const char *base,
// looks like ADB...
ep1 = (struct usb_endpoint_descriptor *)bufptr;
bufptr += USB_DT_ENDPOINT_SIZE;
+ // For USB 3.0 SuperSpeed devices, skip potential
+ // USB 3.0 SuperSpeed Endpoint Companion descriptor
+ if (bufptr+2 <= devdesc + desclength &&
+ bufptr[0] == USB_DT_SS_EP_COMP_SIZE &&
+ bufptr[1] == USB_DT_SS_ENDPOINT_COMP) {
+ bufptr += USB_DT_SS_EP_COMP_SIZE;
+ }
ep2 = (struct usb_endpoint_descriptor *)bufptr;
bufptr += USB_DT_ENDPOINT_SIZE;
+ if (bufptr+2 <= devdesc + desclength &&
+ bufptr[0] == USB_DT_SS_EP_COMP_SIZE &&
+ bufptr[1] == USB_DT_SS_ENDPOINT_COMP) {
+ bufptr += USB_DT_SS_EP_COMP_SIZE;
+ }
if (bufptr > devdesc + desclength ||
ep1->bLength != USB_DT_ENDPOINT_SIZE ||