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| author | Nikolai Kondrashov <spbnick@gmail.com> | 2010-07-30 09:06:41 +0000 |
|---|---|---|
| committer | Nikolai Kondrashov <spbnick@gmail.com> | 2010-07-30 09:06:41 +0000 |
| commit | c31145a6a53aafdb6306a657701e9c0d9e38260f (patch) | |
| tree | 54f36329fde79a45509e458753b74b4407f99106 | |
| parent | 59f27afd0b6e379c61923d8be2f3eaef52ddb352 (diff) | |
| download | usbhid-dump-c31145a6a53aafdb6306a657701e9c0d9e38260f.tar.gz | |
Added unsupported HID request response handling.
| -rw-r--r-- | lib/iface.c | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/lib/iface.c b/lib/iface.c index 3d378b5..1f1a7b0 100644 --- a/lib/iface.c +++ b/lib/iface.c @@ -324,7 +324,12 @@ hid_dump_iface_list_set_idle(const hid_dump_iface *list, list->number, NULL, 0, timeout); - if (rc < 0) + /* + * Ignoring EPIPE, which means a STALL handshake, which is OK on + * control pipes and indicates request is not supported. + * See USB 2.0 spec, 8.4.5 Handshake Packets + */ + if (rc < 0 && rc != LIBUSB_ERROR_PIPE) return rc; } @@ -354,7 +359,12 @@ hid_dump_iface_list_set_protocol(const hid_dump_iface *list, list->number, NULL, 0, timeout); - if (rc < 0) + /* + * Ignoring EPIPE, which means a STALL handshake, which is OK on + * control pipes and indicates request is not supported. + * See USB 2.0 spec, 8.4.5 Handshake Packets + */ + if (rc < 0 && rc != LIBUSB_ERROR_PIPE) return rc; } |