commit 3e82b4ebb2bb6e7a2a7eb5ceb48dc2e3614e48a4
author Dmitry Shmidt <dimitrysh@google.com> Fri Sep 22 00:14:34 2017 +0000
committer android-build-merger <android-build-merger@google.com> Fri Sep 22 00:14:34 2017 +0000
tree 93fd78d2c9dc01be3e4c7462b734203fede5e0d5
parent 6d263b83b07d3a993c449645ac9e128df92f77fe
parent e132328ca965d6189ca2ec8631e8a75b131e7db9

hikey960: Fix debug-hifi to print the DSP logs am: 06a976ae2e am: a2bd650496
am: e132328ca9

Change-Id: I0556a589836efb18b986040be0ee062df42750db

hifi/debug-hifi/debug-hifi.c

diff --git a/hifi/debug-hifi/debug-hifi.c b/hifi/debug-hifi/debug-hifi.c
index 5e1fcd8..75bda4c 100644
--- a/hifi/debug-hifi/debug-hifi.c
+++ b/hifi/debug-hifi/debug-hifi.c
@@ -57,10 +57,10 @@
     dump_buf.buf_size = memsize;
     dump_buf.clear = clear;
     ret = ioctl(hifi_dsp_fd, HIFI_MISC_IOCTL_DISPLAY_MSG, &dump_buf);
-    if (ret) {
+    if (ret < 0) { /* This IOCTL returns buffer size */
         ALOGE("Error %d accessing message buffer", errno);
     } else {
-        printf("%s\n", buffer);
+        printf("%s\n", ret > 0 ? buffer : "Buffer is empty");
     }
     free(buffer);
 out0: