aboutsummaryrefslogtreecommitdiff
path: root/hw/usb/hcd-uhci.c
diff options
context:
space:
mode:
authorPeter Maydell <peter.maydell@linaro.org>2019-02-21 09:41:11 +0000
committerPeter Maydell <peter.maydell@linaro.org>2019-02-21 09:41:11 +0000
commit039e406603852e9ddb23b5965b6956d42304bc55 (patch)
tree6a706ed412d6546a25077931d14daae02c75eedb /hw/usb/hcd-uhci.c
parent2e68b8620637a4ee8c79b5724144b726af1e261b (diff)
parent7011baece29d0e197c54c4e57326ba88e67a4949 (diff)
Merge remote-tracking branch 'remotes/kraxel/tags/usb-20190220-pull-request' into staging
usb: usb_ep_get() fixes # gpg: Signature made Wed 20 Feb 2019 11:13:32 GMT # gpg: using RSA key 4CB6D8EED3E87138 # gpg: Good signature from "Gerd Hoffmann (work) <kraxel@redhat.com>" [full] # gpg: aka "Gerd Hoffmann <gerd@kraxel.org>" [full] # gpg: aka "Gerd Hoffmann (private) <kraxel@gmail.com>" [full] # Primary key fingerprint: A032 8CFF B93A 17A7 9901 FE7D 4CB6 D8EE D3E8 7138 * remotes/kraxel/tags/usb-20190220-pull-request: usb: remove unnecessary NULL device check from usb_ep_get() usb: add device checks before redirector calls to usb_ep_get() usb: check device is not NULL before calling usb_ep_get() uhci: check device is not NULL before calling usb_ep_get() ohci: check device is not NULL before calling usb_ep_get() ehci: check device is not NULL before calling usb_ep_get() xhci: check device is not NULL before calling usb_ep_get() xhci: add asserts to help with static code analysis usb: rearrange usb_ep_get() Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'hw/usb/hcd-uhci.c')
-rw-r--r--hw/usb/hcd-uhci.c8
1 files changed, 5 insertions, 3 deletions
diff --git a/hw/usb/hcd-uhci.c b/hw/usb/hcd-uhci.c
index e694b62086..09df29ff9c 100644
--- a/hw/usb/hcd-uhci.c
+++ b/hw/usb/hcd-uhci.c
@@ -858,13 +858,15 @@ static int uhci_handle_td(UHCIState *s, UHCIQueue *q, uint32_t qh_addr,
/* Allocate new packet */
if (q == NULL) {
- USBDevice *dev = uhci_find_device(s, (td->token >> 8) & 0x7f);
- USBEndpoint *ep = usb_ep_get(dev, pid, (td->token >> 15) & 0xf);
+ USBDevice *dev;
+ USBEndpoint *ep;
- if (ep == NULL) {
+ dev = uhci_find_device(s, (td->token >> 8) & 0x7f);
+ if (dev == NULL) {
return uhci_handle_td_error(s, td, td_addr, USB_RET_NODEV,
int_mask);
}
+ ep = usb_ep_get(dev, pid, (td->token >> 15) & 0xf);
q = uhci_queue_new(s, qh_addr, td, ep);
}
async = uhci_async_alloc(q, td_addr);