Do not libusb_close on async failure to prevent segfault

f4exb · Nov 22, 2016 · 861294c · 861294c
1 parent 54b3014
commit 861294c
Showing 1 changed file with 6 additions and 2 deletions.
diff --git a/src/libmirisdr.c b/src/libmirisdr.c
@@ -170,9 +170,13 @@ int mirisdr_close (mirisdr_dev_t *p) {
 #endif
 
     /* deinicializace tuneru */
-    if (p->dh) {
+    if (p->dh)
+    {
         libusb_release_interface(p->dh, 0);
-        libusb_close(p->dh);
+
+        if (p->async_status != MIRISDR_ASYNC_FAILED) {
+            libusb_close(p->dh);
+        }
     }
 
     if (p->ctx) libusb_exit(p->ctx);