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check if hport is null

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This commit is contained in:
sakumisu
2023-02-05 14:39:08 +08:00
parent 82e4baf908
commit 63bc4e9363
2 changed files with 5 additions and 4 deletions
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8
core/usbh_core.c
View File

@@ -648,7 +648,7 @@ struct usbh_hubport *usbh_find_hubport(uint8_t dev_addr)
struct usbh_hub *hub = usb_slist_entry(hub_list, struct usbh_hub, list);
for (uint8_t port = 0; port < hub->hub_desc.bNbrPorts; port++) {
hport = &hub->child[port];
if (hport->connected) {
if (hport && hport->connected) {
if (hport->dev_addr == dev_addr) {
return &hub->child[port];
}
@@ -668,7 +668,7 @@ void *usbh_find_class_instance(const char *devname)
struct usbh_hub *hub = usb_slist_entry(hub_list, struct usbh_hub, list);
for (uint8_t port = 0; port < hub->hub_desc.bNbrPorts; port++) {
hport = &hub->child[port];
if (hport->connected) {
if (hport && hport->connected) {
for (uint8_t itf = 0; itf < hport->config.config_desc.bNumInterfaces; itf++) {
if ((strncmp(hport->config.intf[itf].devname, devname, CONFIG_USBHOST_DEV_NAMELEN) == 0) && hport->config.intf[itf].priv)
return hport->config.intf[itf].priv;
@@ -766,7 +766,7 @@ int lsusb(int argc, char **argv)
for (uint8_t port = 0; port < hub->hub_desc.bNbrPorts; port++) {
hport = &hub->child[port];
if (hport->connected) {
if (hport && hport->connected) {
for (uint8_t i = 0; i < hport->config.config_desc.bNumInterfaces; i++) {
if (hport->config.intf[i].class_driver->driver_name) {
USB_LOG_RAW(" |__Port %u,Port addr:0x%02x,If %u,ClassDriver=%s\r\n",
@@ -787,7 +787,7 @@ int lsusb(int argc, char **argv)
struct usbh_hub *hub = usb_slist_entry(i, struct usbh_hub, list);
for (uint8_t port = 0; port < hub->hub_desc.bNbrPorts; port++) {
hport = &hub->child[port];
if (hport->connected) {
if (hport && hport->connected) {
USB_LOG_RAW("Hub %02u,Port %u,Port addr:0x%02x,VID:PID 0x%04x:0x%04x\r\n",
hub->index,
hport->port,

1
core/usbh_core.h
View File

@@ -183,6 +183,7 @@ int usbh_initialize(void);
struct usbh_hubport *usbh_find_hubport(uint8_t dev_addr);
void *usbh_find_class_instance(const char *devname);
int lsusb(int argc, char **argv);
#ifdef __cplusplus
}