@@ -114,6 +114,7 @@ struct USBRedirDevice {
CharBackend cs;
bool enable_streams;
bool suppress_remote_wake;
+ bool in_write;
uint8_t debug;
int32_t bootindex;
char *filter_str;
@@ -291,6 +292,13 @@ static int usbredir_write(void *priv, uint8_t *data, int count)
return 0;
}
+ /* Recursion check */
+ if (dev->in_write) {
+ DPRINTF("usbredir_write recursion\n");
+ return 0;
+ }
+ dev->in_write = true;
+
r = qemu_chr_fe_write(&dev->cs, data, count);
if (r < count) {
if (!dev->watch) {
@@ -301,6 +309,7 @@ static int usbredir_write(void *priv, uint8_t *data, int count)
r = 0;
}
}
+ dev->in_write = false;
return r;
}