Merge 9c38fc51f1 into cc8576a7ab

ChangeLog

@@ -37,6 +37,7 @@ Lars-Peter Clausen
 Alexandru Tofan
 Kim Jeong Yeon
 Filipe Coelho
+Google LLC
 
 ---------------------------
   Jackdmp changes log

linux/alsa/alsa_driver.c

@@ -1401,6 +1401,12 @@ alsa_driver_wait (alsa_driver_t *driver, int extra_fd, int *status, float
 				return 0;
 			}
 
+                        if (revents & POLLNVAL) {
+                                jack_error ("ALSA: playback device disconnected");
+                                *status = -7;
+                                return 0;
+                        }
+
 			if (revents & POLLERR) {
 				xrun_detected = TRUE;
 			}
@@ -1424,6 +1430,12 @@ alsa_driver_wait (alsa_driver_t *driver, int extra_fd, int *status, float
 				return 0;
 			}
 
+                        if (revents & POLLNVAL) {
+                                jack_error ("ALSA: capture device disconnected");
+                                *status = -7;
+                                return 0;
+                        }
+
 			if (revents & POLLERR) {
 				xrun_detected = TRUE;
 			}