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authorPeter Maydell <peter.maydell@linaro.org>2018-05-18 12:58:38 +0100
committerPeter Maydell <peter.maydell@linaro.org>2018-05-18 12:58:39 +0100
commitdba0f15a3b3a2e72a526be665efad73f3c34a5dd (patch)
tree7cc95ba19b2eb20ce8b9942e063f3776c6265da7 /hw
parent30d9081d646cbcb37341738d19e29bf350f3dd66 (diff)
parent8030dca376fa1bc4d8a6be7628196578f8783ab3 (diff)
Merge remote-tracking branch 'remotes/kraxel/tags/usb-20180518-pull-request' into staging
usb: two smartcard reader fixes. # gpg: Signature made Fri 18 May 2018 08:50:01 BST # gpg: using RSA key 4CB6D8EED3E87138 # gpg: Good signature from "Gerd Hoffmann (work) <kraxel@redhat.com>" # gpg: aka "Gerd Hoffmann <gerd@kraxel.org>" # gpg: aka "Gerd Hoffmann (private) <kraxel@gmail.com>" # Primary key fingerprint: A032 8CFF B93A 17A7 9901 FE7D 4CB6 D8EE D3E8 7138 * remotes/kraxel/tags/usb-20180518-pull-request: hw/usb/dev-smartcard-reader: Handle 64 B USB packets ccid-card-passthru: fix regression in realize() Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'hw')
-rw-r--r--hw/usb/ccid-card-passthru.c2
-rw-r--r--hw/usb/dev-smartcard-reader.c14
2 files changed, 10 insertions, 6 deletions
diff --git a/hw/usb/ccid-card-passthru.c b/hw/usb/ccid-card-passthru.c
index 7684db0cb3..25fb19b0d7 100644
--- a/hw/usb/ccid-card-passthru.c
+++ b/hw/usb/ccid-card-passthru.c
@@ -345,7 +345,7 @@ static void passthru_realize(CCIDCardState *base, Error **errp)
card->vscard_in_pos = 0;
card->vscard_in_hdr = 0;
if (qemu_chr_fe_backend_connected(&card->cs)) {
- error_setg(errp, "ccid-card-passthru: initing chardev");
+ DPRINTF(card, D_INFO, "ccid-card-passthru: initing chardev");
qemu_chr_fe_set_handlers(&card->cs,
ccid_card_vscard_can_read,
ccid_card_vscard_read,
diff --git a/hw/usb/dev-smartcard-reader.c b/hw/usb/dev-smartcard-reader.c
index cabb564788..f7451923f4 100644
--- a/hw/usb/dev-smartcard-reader.c
+++ b/hw/usb/dev-smartcard-reader.c
@@ -1064,7 +1064,8 @@ err:
return;
}
-static void ccid_bulk_in_copy_to_guest(USBCCIDState *s, USBPacket *p)
+static void ccid_bulk_in_copy_to_guest(USBCCIDState *s, USBPacket *p,
+ unsigned int max_packet_size)
{
int len = 0;
@@ -1072,10 +1073,13 @@ static void ccid_bulk_in_copy_to_guest(USBCCIDState *s, USBPacket *p)
if (s->current_bulk_in != NULL) {
len = MIN(s->current_bulk_in->len - s->current_bulk_in->pos,
p->iov.size);
- usb_packet_copy(p, s->current_bulk_in->data +
- s->current_bulk_in->pos, len);
+ if (len) {
+ usb_packet_copy(p, s->current_bulk_in->data +
+ s->current_bulk_in->pos, len);
+ }
s->current_bulk_in->pos += len;
- if (s->current_bulk_in->pos == s->current_bulk_in->len) {
+ if (s->current_bulk_in->pos == s->current_bulk_in->len
+ && len != max_packet_size) {
ccid_bulk_in_release(s);
}
} else {
@@ -1107,7 +1111,7 @@ static void ccid_handle_data(USBDevice *dev, USBPacket *p)
case USB_TOKEN_IN:
switch (p->ep->nr) {
case CCID_BULK_IN_EP:
- ccid_bulk_in_copy_to_guest(s, p);
+ ccid_bulk_in_copy_to_guest(s, p, dev->ep_ctl.max_packet_size);
break;
case CCID_INT_IN_EP:
if (s->notify_slot_change) {